Home / 30,233,149,410.80-45,349,724,116.20-20,764,146,249.20

Finding the Fourth Proportional to 30,233,149,410.80, 45,349,724,116.20 and 20,764,146,249.20

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Solution

The fourth proportional to 30,233,149,410.80, 45,349,724,116.20 and 20,764,146,249.20 is: 31,146,219,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233,149,410.80 : 45,349,724,116.20 = 20,764,146,249.20 : x
  2. Step 2: Convert to fraction form
    30,233,149,410.80/45,349,724,116.20 = 20,764,146,249.20/x
  3. Step 3: Cross multiply
    30,233,149,410.80x = 45,349,724,116.20 × 20,764,146,249.20
  4. Step 4: Simplify right side
    30,233,149,410.80x = 941,648,303,909,648,990,208
  5. Step 5: Solve for x
    x = 941,648,303,909,648,990,208/30,233,149,410.80
  6. Step 6: Final answer
    x = 31,146,219,373.80

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Double scale
Find fourth proportional to 30,233,149,411.80, 45,349,724,117.70 and 20,764,146,250.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.