Home / 83,608,214.49-125,428,472.33-31,788,787.95

Finding the Fourth Proportional to 83,608,214.49, 125,428,472.33 and 31,788,787.95

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Solution

The fourth proportional to 83,608,214.49, 125,428,472.33 and 31,788,787.95 is: 47,689,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,608,214.49 : 125,428,472.33 = 31,788,787.95 : x
  2. Step 2: Convert to fraction form
    83,608,214.49/125,428,472.33 = 31,788,787.95/x
  3. Step 3: Cross multiply
    83,608,214.49x = 125,428,472.33 × 31,788,787.95
  4. Step 4: Simplify right side
    83,608,214.49x = 3,987,219,109,631,868.50
  5. Step 5: Solve for x
    x = 3,987,219,109,631,868.50/83,608,214.49
  6. Step 6: Final answer
    x = 47,689,322.56

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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.