Home / 81,438,519.32-112,384,364.84-60,623,635.04

Finding the Fourth Proportional to 81,438,519.32, 112,384,364.84 and 60,623,635.04

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Solution

The fourth proportional to 81,438,519.32, 112,384,364.84 and 60,623,635.04 is: 83,660,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,438,519.32 : 112,384,364.84 = 60,623,635.04 : x
  2. Step 2: Convert to fraction form
    81,438,519.32/112,384,364.84 = 60,623,635.04/x
  3. Step 3: Cross multiply
    81,438,519.32x = 112,384,364.84 × 60,623,635.04
  4. Step 4: Simplify right side
    81,438,519.32x = 6,813,148,718,386,812
  5. Step 5: Solve for x
    x = 6,813,148,718,386,812/81,438,519.32
  6. Step 6: Final answer
    x = 83,660,026.92

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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.