Home / 96,569,983.20-144,854,974.80-85,820,440.80

Finding the Fourth Proportional to 96,569,983.20, 144,854,974.80 and 85,820,440.80

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Solution

The fourth proportional to 96,569,983.20, 144,854,974.80 and 85,820,440.80 is: 128,730,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,569,983.20 : 144,854,974.80 = 85,820,440.80 : x
  2. Step 2: Convert to fraction form
    96,569,983.20/144,854,974.80 = 85,820,440.80/x
  3. Step 3: Cross multiply
    96,569,983.20x = 144,854,974.80 × 85,820,440.80
  4. Step 4: Simplify right side
    96,569,983.20x = 12,431,517,789,408,892
  5. Step 5: Solve for x
    x = 12,431,517,789,408,892/96,569,983.20
  6. Step 6: Final answer
    x = 128,730,661.20

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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.