Home / 187,639,847.95-281,586,929.78-76,995,521.02

Finding the Fourth Proportional to 187,639,847.95, 281,586,929.78 and 76,995,521.02

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Solution

The fourth proportional to 187,639,847.95, 281,586,929.78 and 76,995,521.02 is: 115,545,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,639,847.95 : 281,586,929.78 = 76,995,521.02 : x
  2. Step 2: Convert to fraction form
    187,639,847.95/281,586,929.78 = 76,995,521.02/x
  3. Step 3: Cross multiply
    187,639,847.95x = 281,586,929.78 × 76,995,521.02
  4. Step 4: Simplify right side
    187,639,847.95x = 21,680,932,370,053,432
  5. Step 5: Solve for x
    x = 21,680,932,370,053,432/187,639,847.95
  6. Step 6: Final answer
    x = 115,545,459.06

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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.