Home / 65,720,129.01-90,687,691.69-36,350,829.46

Finding the Fourth Proportional to 65,720,129.01, 90,687,691.69 and 36,350,829.46

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Solution

The fourth proportional to 65,720,129.01, 90,687,691.69 and 36,350,829.46 is: 50,160,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,720,129.01 : 90,687,691.69 = 36,350,829.46 : x
  2. Step 2: Convert to fraction form
    65,720,129.01/90,687,691.69 = 36,350,829.46/x
  3. Step 3: Cross multiply
    65,720,129.01x = 90,687,691.69 × 36,350,829.46
  4. Step 4: Simplify right side
    65,720,129.01x = 3,296,572,814,744,249
  5. Step 5: Solve for x
    x = 3,296,572,814,744,249/65,720,129.01
  6. Step 6: Final answer
    x = 50,160,778.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.