Home / 126,656,591.22-190,107,438.72-61,123,861.18

Finding the Fourth Proportional to 126,656,591.22, 190,107,438.72 and 61,123,861.18

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Solution

The fourth proportional to 126,656,591.22, 190,107,438.72 and 61,123,861.18 is: 91,744,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,656,591.22 : 190,107,438.72 = 61,123,861.18 : x
  2. Step 2: Convert to fraction form
    126,656,591.22/190,107,438.72 = 61,123,861.18/x
  3. Step 3: Cross multiply
    126,656,591.22x = 190,107,438.72 × 61,123,861.18
  4. Step 4: Simplify right side
    126,656,591.22x = 11,620,100,693,606,636
  5. Step 5: Solve for x
    x = 11,620,100,693,606,636/126,656,591.22
  6. Step 6: Final answer
    x = 91,744,934.72

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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.