Home / 122,059,769.68-168,451,925.16-69,865,179.76

Finding the Fourth Proportional to 122,059,769.68, 168,451,925.16 and 69,865,179.76

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Solution

The fourth proportional to 122,059,769.68, 168,451,925.16 and 69,865,179.76 is: 96,419,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,059,769.68 : 168,451,925.16 = 69,865,179.76 : x
  2. Step 2: Convert to fraction form
    122,059,769.68/168,451,925.16 = 69,865,179.76/x
  3. Step 3: Cross multiply
    122,059,769.68x = 168,451,925.16 × 69,865,179.76
  4. Step 4: Simplify right side
    122,059,769.68x = 11,768,924,032,221,468
  5. Step 5: Solve for x
    x = 11,768,924,032,221,468/122,059,769.68
  6. Step 6: Final answer
    x = 96,419,353.10

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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.