Home / 122,874,917.44-169,564,148.40-67,869,592.96

Finding the Fourth Proportional to 122,874,917.44, 169,564,148.40 and 67,869,592.96

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Solution

The fourth proportional to 122,874,917.44, 169,564,148.40 and 67,869,592.96 is: 93,658,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,874,917.44 : 169,564,148.40 = 67,869,592.96 : x
  2. Step 2: Convert to fraction form
    122,874,917.44/169,564,148.40 = 67,869,592.96/x
  3. Step 3: Cross multiply
    122,874,917.44x = 169,564,148.40 × 67,869,592.96
  4. Step 4: Simplify right side
    122,874,917.44x = 11,508,249,732,517,034
  5. Step 5: Solve for x
    x = 11,508,249,732,517,034/122,874,917.44
  6. Step 6: Final answer
    x = 93,658,249.97

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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.