Home / 122,787,100.73-169,445,159.75-67,781,776.25

Finding the Fourth Proportional to 122,787,100.73, 169,445,159.75 and 67,781,776.25

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Solution

The fourth proportional to 122,787,100.73, 169,445,159.75 and 67,781,776.25 is: 93,538,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,787,100.73 : 169,445,159.75 = 67,781,776.25 : x
  2. Step 2: Convert to fraction form
    122,787,100.73/169,445,159.75 = 67,781,776.25/x
  3. Step 3: Cross multiply
    122,787,100.73x = 169,445,159.75 × 67,781,776.25
  4. Step 4: Simplify right side
    122,787,100.73x = 11,485,293,904,481,098
  5. Step 5: Solve for x
    x = 11,485,293,904,481,098/122,787,100.73
  6. Step 6: Final answer
    x = 93,538,277.52

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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.