Home / 83,498,182.48-114,818,884.26-72,465,778.73

Finding the Fourth Proportional to 83,498,182.48, 114,818,884.26 and 72,465,778.73

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Solution

The fourth proportional to 83,498,182.48, 114,818,884.26 and 72,465,778.73 is: 99,648,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,498,182.48 : 114,818,884.26 = 72,465,778.73 : x
  2. Step 2: Convert to fraction form
    83,498,182.48/114,818,884.26 = 72,465,778.73/x
  3. Step 3: Cross multiply
    83,498,182.48x = 114,818,884.26 × 72,465,778.73
  4. Step 4: Simplify right side
    83,498,182.48x = 8,320,439,860,825,940
  5. Step 5: Solve for x
    x = 8,320,439,860,825,940/83,498,182.48
  6. Step 6: Final answer
    x = 99,648,155.37

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1.5x scale

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.