Home / 137,188,263.42-205,822,819.33-55,264,984.92

Finding the Fourth Proportional to 137,188,263.42, 205,822,819.33 and 55,264,984.92

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Solution

The fourth proportional to 137,188,263.42, 205,822,819.33 and 55,264,984.92 is: 82,913,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,188,263.42 : 205,822,819.33 = 55,264,984.92 : x
  2. Step 2: Convert to fraction form
    137,188,263.42/205,822,819.33 = 55,264,984.92/x
  3. Step 3: Cross multiply
    137,188,263.42x = 205,822,819.33 × 55,264,984.92
  4. Step 4: Simplify right side
    137,188,263.42x = 11,374,795,006,326,172
  5. Step 5: Solve for x
    x = 11,374,795,006,326,172/137,188,263.42
  6. Step 6: Final answer
    x = 82,913,761.88

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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.