Home / 82,466,347.74-123,644,921.13-39,342,206.94

Finding the Fourth Proportional to 82,466,347.74, 123,644,921.13 and 39,342,206.94

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Solution

The fourth proportional to 82,466,347.74, 123,644,921.13 and 39,342,206.94 is: 58,987,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,466,347.74 : 123,644,921.13 = 39,342,206.94 : x
  2. Step 2: Convert to fraction form
    82,466,347.74/123,644,921.13 = 39,342,206.94/x
  3. Step 3: Cross multiply
    82,466,347.74x = 123,644,921.13 × 39,342,206.94
  4. Step 4: Simplify right side
    82,466,347.74x = 4,864,464,074,176,438
  5. Step 5: Solve for x
    x = 4,864,464,074,176,438/82,466,347.74
  6. Step 6: Final answer
    x = 58,987,262.17

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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.