Home / 122,788,545.33-169,448,733.77-67,784,853.81

Finding the Fourth Proportional to 122,788,545.33, 169,448,733.77 and 67,784,853.81

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Solution

The fourth proportional to 122,788,545.33, 169,448,733.77 and 67,784,853.81 is: 93,543,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,788,545.33 : 169,448,733.77 = 67,784,853.81 : x
  2. Step 2: Convert to fraction form
    122,788,545.33/169,448,733.77 = 67,784,853.81/x
  3. Step 3: Cross multiply
    122,788,545.33x = 169,448,733.77 × 67,784,853.81
  4. Step 4: Simplify right side
    122,788,545.33x = 11,486,057,646,889,062
  5. Step 5: Solve for x
    x = 11,486,057,646,889,062/122,788,545.33
  6. Step 6: Final answer
    x = 93,543,397.03

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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.