Home / 30,301,070.80-45,451,606.20-15,149,534.80

Finding the Fourth Proportional to 30,301,070.80, 45,451,606.20 and 15,149,534.80

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Solution

The fourth proportional to 30,301,070.80, 45,451,606.20 and 15,149,534.80 is: 22,724,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301,070.80 : 45,451,606.20 = 15,149,534.80 : x
  2. Step 2: Convert to fraction form
    30,301,070.80/45,451,606.20 = 15,149,534.80/x
  3. Step 3: Cross multiply
    30,301,070.80x = 45,451,606.20 × 15,149,534.80
  4. Step 4: Simplify right side
    30,301,070.80x = 688,570,689,842,795.88
  5. Step 5: Solve for x
    x = 688,570,689,842,795.88/30,301,070.80
  6. Step 6: Final answer
    x = 22,724,302.20

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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.