Home / 91,864,176.30-137,796,264.45-45,947,673.90

Finding the Fourth Proportional to 91,864,176.30, 137,796,264.45 and 45,947,673.90

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Solution

The fourth proportional to 91,864,176.30, 137,796,264.45 and 45,947,673.90 is: 68,921,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864,176.30 : 137,796,264.45 = 45,947,673.90 : x
  2. Step 2: Convert to fraction form
    91,864,176.30/137,796,264.45 = 45,947,673.90/x
  3. Step 3: Cross multiply
    91,864,176.30x = 137,796,264.45 × 45,947,673.90
  4. Step 4: Simplify right side
    91,864,176.30x = 6,331,417,823,586,762
  5. Step 5: Solve for x
    x = 6,331,417,823,586,762/91,864,176.30
  6. Step 6: Final answer
    x = 68,921,510.85

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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.