Home / 107,838,411.70-161,757,617.55-67,023,742.90

Finding the Fourth Proportional to 107,838,411.70, 161,757,617.55 and 67,023,742.90

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Solution

The fourth proportional to 107,838,411.70, 161,757,617.55 and 67,023,742.90 is: 100,535,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838,411.70 : 161,757,617.55 = 67,023,742.90 : x
  2. Step 2: Convert to fraction form
    107,838,411.70/161,757,617.55 = 67,023,742.90/x
  3. Step 3: Cross multiply
    107,838,411.70x = 161,757,617.55 × 67,023,742.90
  4. Step 4: Simplify right side
    107,838,411.70x = 10,841,600,970,787,728
  5. Step 5: Solve for x
    x = 10,841,600,970,787,728/107,838,411.70
  6. Step 6: Final answer
    x = 100,535,614.35

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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.