Home / 91,730,151.52-126,586,007.28-49,912,806.12

Finding the Fourth Proportional to 91,730,151.52, 126,586,007.28 and 49,912,806.12

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Solution

The fourth proportional to 91,730,151.52, 126,586,007.28 and 49,912,806.12 is: 68,878,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730,151.52 : 126,586,007.28 = 49,912,806.12 : x
  2. Step 2: Convert to fraction form
    91,730,151.52/126,586,007.28 = 49,912,806.12/x
  3. Step 3: Cross multiply
    91,730,151.52x = 126,586,007.28 × 49,912,806.12
  4. Step 4: Simplify right side
    91,730,151.52x = 6,318,262,838,871,548
  5. Step 5: Solve for x
    x = 6,318,262,838,871,548/91,730,151.52
  6. Step 6: Final answer
    x = 68,878,800.85

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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.