Home / 82,836,472.28-124,291,309.55-43,435,316.66

Finding the Fourth Proportional to 82,836,472.28, 124,291,309.55 and 43,435,316.66

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Solution

The fourth proportional to 82,836,472.28, 124,291,309.55 and 43,435,316.66 is: 65,172,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,836,472.28 : 124,291,309.55 = 43,435,316.66 : x
  2. Step 2: Convert to fraction form
    82,836,472.28/124,291,309.55 = 43,435,316.66/x
  3. Step 3: Cross multiply
    82,836,472.28x = 124,291,309.55 × 43,435,316.66
  4. Step 4: Simplify right side
    82,836,472.28x = 5,398,632,387,551,699
  5. Step 5: Solve for x
    x = 5,398,632,387,551,699/82,836,472.28
  6. Step 6: Final answer
    x = 65,172,166.79

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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.