Home / 94,786,301.20-142,179,451.80-80,472,823.60

Finding the Fourth Proportional to 94,786,301.20, 142,179,451.80 and 80,472,823.60

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Solution

The fourth proportional to 94,786,301.20, 142,179,451.80 and 80,472,823.60 is: 120,709,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,786,301.20 : 142,179,451.80 = 80,472,823.60 : x
  2. Step 2: Convert to fraction form
    94,786,301.20/142,179,451.80 = 80,472,823.60/x
  3. Step 3: Cross multiply
    94,786,301.20x = 142,179,451.80 × 80,472,823.60
  4. Step 4: Simplify right side
    94,786,301.20x = 11,441,581,944,246,102
  5. Step 5: Solve for x
    x = 11,441,581,944,246,102/94,786,301.20
  6. Step 6: Final answer
    x = 120,709,235.40

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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.