Home / 127,790,928.60-191,293,242.26-83,379,585.55

Finding the Fourth Proportional to 127,790,928.60, 191,293,242.26 and 83,379,585.55

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Solution

The fourth proportional to 127,790,928.60, 191,293,242.26 and 83,379,585.55 is: 124,812,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,790,928.60 : 191,293,242.26 = 83,379,585.55 : x
  2. Step 2: Convert to fraction form
    127,790,928.60/191,293,242.26 = 83,379,585.55/x
  3. Step 3: Cross multiply
    127,790,928.60x = 191,293,242.26 × 83,379,585.55
  4. Step 4: Simplify right side
    127,790,928.60x = 15,949,951,257,523,074
  5. Step 5: Solve for x
    x = 15,949,951,257,523,074/127,790,928.60
  6. Step 6: Final answer
    x = 124,812,859.82

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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.