Home / 107,840,043.20-161,760,064.80-67,025,374.40

Finding the Fourth Proportional to 107,840,043.20, 161,760,064.80 and 67,025,374.40

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Solution

The fourth proportional to 107,840,043.20, 161,760,064.80 and 67,025,374.40 is: 100,538,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,840,043.20 : 161,760,064.80 = 67,025,374.40 : x
  2. Step 2: Convert to fraction form
    107,840,043.20/161,760,064.80 = 67,025,374.40/x
  3. Step 3: Cross multiply
    107,840,043.20x = 161,760,064.80 × 67,025,374.40
  4. Step 4: Simplify right side
    107,840,043.20x = 10,842,028,906,188,262
  5. Step 5: Solve for x
    x = 10,842,028,906,188,262/107,840,043.20
  6. Step 6: Final answer
    x = 100,538,061.60

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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.