Home / 80,900,252.40-121,350,378.60-53,690,473.20

Finding the Fourth Proportional to 80,900,252.40, 121,350,378.60 and 53,690,473.20

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Solution

The fourth proportional to 80,900,252.40, 121,350,378.60 and 53,690,473.20 is: 80,535,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,900,252.40 : 121,350,378.60 = 53,690,473.20 : x
  2. Step 2: Convert to fraction form
    80,900,252.40/121,350,378.60 = 53,690,473.20/x
  3. Step 3: Cross multiply
    80,900,252.40x = 121,350,378.60 × 53,690,473.20
  4. Step 4: Simplify right side
    80,900,252.40x = 6,515,359,250,033,154
  5. Step 5: Solve for x
    x = 6,515,359,250,033,154/80,900,252.40
  6. Step 6: Final answer
    x = 80,535,709.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.