Home / 99,696,141.60-137,653,585.92-64,434,822

Finding the Fourth Proportional to 99,696,141.60, 137,653,585.92 and 64,434,822

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Solution

The fourth proportional to 99,696,141.60, 137,653,585.92 and 64,434,822 is: 88,967,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,141.60 : 137,653,585.92 = 64,434,822 : x
  2. Step 2: Convert to fraction form
    99,696,141.60/137,653,585.92 = 64,434,822/x
  3. Step 3: Cross multiply
    99,696,141.60x = 137,653,585.92 × 64,434,822
  4. Step 4: Simplify right side
    99,696,141.60x = 8,869,684,306,416,905
  5. Step 5: Solve for x
    x = 8,869,684,306,416,905/99,696,141.60
  6. Step 6: Final answer
    x = 88,967,177.31

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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.