Home / 89,885,712.30-134,828,568.45-87,366,288.30

Finding the Fourth Proportional to 89,885,712.30, 134,828,568.45 and 87,366,288.30

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Solution

The fourth proportional to 89,885,712.30, 134,828,568.45 and 87,366,288.30 is: 131,049,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885,712.30 : 134,828,568.45 = 87,366,288.30 : x
  2. Step 2: Convert to fraction form
    89,885,712.30/134,828,568.45 = 87,366,288.30/x
  3. Step 3: Cross multiply
    89,885,712.30x = 134,828,568.45 × 87,366,288.30
  4. Step 4: Simplify right side
    89,885,712.30x = 11,779,471,582,278,982
  5. Step 5: Solve for x
    x = 11,779,471,582,278,982/89,885,712.30
  6. Step 6: Final answer
    x = 131,049,432.45

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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.