Home / 89,885,725.30-134,828,587.95-87,366,301.30

Finding the Fourth Proportional to 89,885,725.30, 134,828,587.95 and 87,366,301.30

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Solution

The fourth proportional to 89,885,725.30, 134,828,587.95 and 87,366,301.30 is: 131,049,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885,725.30 : 134,828,587.95 = 87,366,301.30 : x
  2. Step 2: Convert to fraction form
    89,885,725.30/134,828,587.95 = 87,366,301.30/x
  3. Step 3: Cross multiply
    89,885,725.30x = 134,828,587.95 × 87,366,301.30
  4. Step 4: Simplify right side
    89,885,725.30x = 11,779,475,038,693,248
  5. Step 5: Solve for x
    x = 11,779,475,038,693,248/89,885,725.30
  6. Step 6: Final answer
    x = 131,049,451.95

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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.