Home / 122,711,857.08-169,345,906.22-67,711,256.44

Finding the Fourth Proportional to 122,711,857.08, 169,345,906.22 and 67,711,256.44

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Solution

The fourth proportional to 122,711,857.08, 169,345,906.22 and 67,711,256.44 is: 93,443,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711,857.08 : 169,345,906.22 = 67,711,256.44 : x
  2. Step 2: Convert to fraction form
    122,711,857.08/169,345,906.22 = 67,711,256.44/x
  3. Step 3: Cross multiply
    122,711,857.08x = 169,345,906.22 × 67,711,256.44
  4. Step 4: Simplify right side
    122,711,857.08x = 11,466,624,083,126,610
  5. Step 5: Solve for x
    x = 11,466,624,083,126,610/122,711,857.08
  6. Step 6: Final answer
    x = 93,443,489.13

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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.