Home / 77,031,594.92-106,241,616.63-67,719,253.95

Finding the Fourth Proportional to 77,031,594.92, 106,241,616.63 and 67,719,253.95

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Solution

The fourth proportional to 77,031,594.92, 106,241,616.63 and 67,719,253.95 is: 93,398,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031,594.92 : 106,241,616.63 = 67,719,253.95 : x
  2. Step 2: Convert to fraction form
    77,031,594.92/106,241,616.63 = 67,719,253.95/x
  3. Step 3: Cross multiply
    77,031,594.92x = 106,241,616.63 × 67,719,253.95
  4. Step 4: Simplify right side
    77,031,594.92x = 7,194,603,016,625,513
  5. Step 5: Solve for x
    x = 7,194,603,016,625,513/77,031,594.92
  6. Step 6: Final answer
    x = 93,398,079.37

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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.