Home / 122,788,545.83-169,448,734.46-67,784,854.31

Finding the Fourth Proportional to 122,788,545.83, 169,448,734.46 and 67,784,854.31

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Solution

The fourth proportional to 122,788,545.83, 169,448,734.46 and 67,784,854.31 is: 93,543,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,788,545.83 : 169,448,734.46 = 67,784,854.31 : x
  2. Step 2: Convert to fraction form
    122,788,545.83/169,448,734.46 = 67,784,854.31/x
  3. Step 3: Cross multiply
    122,788,545.83x = 169,448,734.46 × 67,784,854.31
  4. Step 4: Simplify right side
    122,788,545.83x = 11,486,057,778,046,054
  5. Step 5: Solve for x
    x = 11,486,057,778,046,054/122,788,545.83
  6. Step 6: Final answer
    x = 93,543,397.72

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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.