Home / 80,751,107.70-121,126,661.55-59,068,314.90

Finding the Fourth Proportional to 80,751,107.70, 121,126,661.55 and 59,068,314.90

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Solution

The fourth proportional to 80,751,107.70, 121,126,661.55 and 59,068,314.90 is: 88,602,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,751,107.70 : 121,126,661.55 = 59,068,314.90 : x
  2. Step 2: Convert to fraction form
    80,751,107.70/121,126,661.55 = 59,068,314.90/x
  3. Step 3: Cross multiply
    80,751,107.70x = 121,126,661.55 × 59,068,314.90
  4. Step 4: Simplify right side
    80,751,107.70x = 7,154,747,787,221,122
  5. Step 5: Solve for x
    x = 7,154,747,787,221,122/80,751,107.70
  6. Step 6: Final answer
    x = 88,602,472.35

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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.