Home / 83,801,872.65-115,581,068.72-54,442,664.74

Finding the Fourth Proportional to 83,801,872.65, 115,581,068.72 and 54,442,664.74

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Solution

The fourth proportional to 83,801,872.65, 115,581,068.72 and 54,442,664.74 is: 75,088,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,801,872.65 : 115,581,068.72 = 54,442,664.74 : x
  2. Step 2: Convert to fraction form
    83,801,872.65/115,581,068.72 = 54,442,664.74/x
  3. Step 3: Cross multiply
    83,801,872.65x = 115,581,068.72 × 54,442,664.74
  4. Step 4: Simplify right side
    83,801,872.65x = 6,292,541,374,671,469
  5. Step 5: Solve for x
    x = 6,292,541,374,671,469/83,801,872.65
  6. Step 6: Final answer
    x = 75,088,314.57

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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.