Home / 75,542,948.40-113,482,384.20-72,687,601.20

Finding the Fourth Proportional to 75,542,948.40, 113,482,384.20 and 72,687,601.20

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Solution

The fourth proportional to 75,542,948.40, 113,482,384.20 and 72,687,601.20 is: 109,193,014.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,542,948.40 : 113,482,384.20 = 72,687,601.20 : x
  2. Step 2: Convert to fraction form
    75,542,948.40/113,482,384.20 = 72,687,601.20/x
  3. Step 3: Cross multiply
    75,542,948.40x = 113,482,384.20 × 72,687,601.20
  4. Step 4: Simplify right side
    75,542,948.40x = 8,248,762,285,954,782
  5. Step 5: Solve for x
    x = 8,248,762,285,954,782/75,542,948.40
  6. Step 6: Final answer
    x = 109,193,014.84

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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.