Home / 119,925,801.56-165,498,142.92-64,921,657.88

Finding the Fourth Proportional to 119,925,801.56, 165,498,142.92 and 64,921,657.88

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Solution

The fourth proportional to 119,925,801.56, 165,498,142.92 and 64,921,657.88 is: 89,592,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,925,801.56 : 165,498,142.92 = 64,921,657.88 : x
  2. Step 2: Convert to fraction form
    119,925,801.56/165,498,142.92 = 64,921,657.88/x
  3. Step 3: Cross multiply
    119,925,801.56x = 165,498,142.92 × 64,921,657.88
  4. Step 4: Simplify right side
    119,925,801.56x = 10,744,413,814,427,584
  5. Step 5: Solve for x
    x = 10,744,413,814,427,584/119,925,801.56
  6. Step 6: Final answer
    x = 89,592,178.45

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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.