Home / 78,533,143.95-108,387,520.76-59,663,674.95

Finding the Fourth Proportional to 78,533,143.95, 108,387,520.76 and 59,663,674.95

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Solution

The fourth proportional to 78,533,143.95, 108,387,520.76 and 59,663,674.95 is: 82,344,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,533,143.95 : 108,387,520.76 = 59,663,674.95 : x
  2. Step 2: Convert to fraction form
    78,533,143.95/108,387,520.76 = 59,663,674.95/x
  3. Step 3: Cross multiply
    78,533,143.95x = 108,387,520.76 × 59,663,674.95
  4. Step 4: Simplify right side
    78,533,143.95x = 6,466,797,807,681,145
  5. Step 5: Solve for x
    x = 6,466,797,807,681,145/78,533,143.95
  6. Step 6: Final answer
    x = 82,344,822.61

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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.