Home / 113,886,006.80-170,829,010.20-75,143,957.90

Finding the Fourth Proportional to 113,886,006.80, 170,829,010.20 and 75,143,957.90

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Solution

The fourth proportional to 113,886,006.80, 170,829,010.20 and 75,143,957.90 is: 112,715,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,886,006.80 : 170,829,010.20 = 75,143,957.90 : x
  2. Step 2: Convert to fraction form
    113,886,006.80/170,829,010.20 = 75,143,957.90/x
  3. Step 3: Cross multiply
    113,886,006.80x = 170,829,010.20 × 75,143,957.90
  4. Step 4: Simplify right side
    113,886,006.80x = 12,836,767,950,567,470
  5. Step 5: Solve for x
    x = 12,836,767,950,567,470/113,886,006.80
  6. Step 6: Final answer
    x = 112,715,936.85

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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.