Home / 178,338,940.80-267,508,411.20-81,483,818.55

Finding the Fourth Proportional to 178,338,940.80, 267,508,411.20 and 81,483,818.55

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Solution

The fourth proportional to 178,338,940.80, 267,508,411.20 and 81,483,818.55 is: 122,225,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,338,940.80 : 267,508,411.20 = 81,483,818.55 : x
  2. Step 2: Convert to fraction form
    178,338,940.80/267,508,411.20 = 81,483,818.55/x
  3. Step 3: Cross multiply
    178,338,940.80x = 267,508,411.20 × 81,483,818.55
  4. Step 4: Simplify right side
    178,338,940.80x = 21,797,606,838,819,584
  5. Step 5: Solve for x
    x = 21,797,606,838,819,584/178,338,940.80
  6. Step 6: Final answer
    x = 122,225,727.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.