Home / 122,552,995.68-169,123,476.96-67,549,070.88

Finding the Fourth Proportional to 122,552,995.68, 169,123,476.96 and 67,549,070.88

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Solution

The fourth proportional to 122,552,995.68, 169,123,476.96 and 67,549,070.88 is: 93,217,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,552,995.68 : 169,123,476.96 = 67,549,070.88 : x
  2. Step 2: Convert to fraction form
    122,552,995.68/169,123,476.96 = 67,549,070.88/x
  3. Step 3: Cross multiply
    122,552,995.68x = 169,123,476.96 × 67,549,070.88
  4. Step 4: Simplify right side
    122,552,995.68x = 11,424,133,732,643,086
  5. Step 5: Solve for x
    x = 11,424,133,732,643,086/122,552,995.68
  6. Step 6: Final answer
    x = 93,217,906.83

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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.