Home / 91,032,160.28-136,582,641.92-54,665,904.14

Finding the Fourth Proportional to 91,032,160.28, 136,582,641.92 and 54,665,904.14

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Solution

The fourth proportional to 91,032,160.28, 136,582,641.92 and 54,665,904.14 is: 82,019,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,032,160.28 : 136,582,641.92 = 54,665,904.14 : x
  2. Step 2: Convert to fraction form
    91,032,160.28/136,582,641.92 = 54,665,904.14/x
  3. Step 3: Cross multiply
    91,032,160.28x = 136,582,641.92 × 54,665,904.14
  4. Step 4: Simplify right side
    91,032,160.28x = 7,466,413,610,386,665
  5. Step 5: Solve for x
    x = 7,466,413,610,386,665/91,032,160.28
  6. Step 6: Final answer
    x = 82,019,514.72

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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.