Home / 134,530,178.99-185,651,645.15-72,650,515.73

Finding the Fourth Proportional to 134,530,178.99, 185,651,645.15 and 72,650,515.73

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Solution

The fourth proportional to 134,530,178.99, 185,651,645.15 and 72,650,515.73 is: 100,257,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,530,178.99 : 185,651,645.15 = 72,650,515.73 : x
  2. Step 2: Convert to fraction form
    134,530,178.99/185,651,645.15 = 72,650,515.73/x
  3. Step 3: Cross multiply
    134,530,178.99x = 185,651,645.15 × 72,650,515.73
  4. Step 4: Simplify right side
    134,530,178.99x = 13,487,687,765,523,820
  5. Step 5: Solve for x
    x = 13,487,687,765,523,820/134,530,178.99
  6. Step 6: Final answer
    x = 100,257,710.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.