Home / 30,337,747.40-45,506,621.10-20,134,080.20

Finding the Fourth Proportional to 30,337,747.40, 45,506,621.10 and 20,134,080.20

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Solution

The fourth proportional to 30,337,747.40, 45,506,621.10 and 20,134,080.20 is: 30,201,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337,747.40 : 45,506,621.10 = 20,134,080.20 : x
  2. Step 2: Convert to fraction form
    30,337,747.40/45,506,621.10 = 20,134,080.20/x
  3. Step 3: Cross multiply
    30,337,747.40x = 45,506,621.10 × 20,134,080.20
  4. Step 4: Simplify right side
    30,337,747.40x = 916,233,958,858,412.25
  5. Step 5: Solve for x
    x = 916,233,958,858,412.25/30,337,747.40
  6. Step 6: Final answer
    x = 30,201,120.30

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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.