Home / 126,029,348.80-189,044,023.20-106,545,803.20

Finding the Fourth Proportional to 126,029,348.80, 189,044,023.20 and 106,545,803.20

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Solution

The fourth proportional to 126,029,348.80, 189,044,023.20 and 106,545,803.20 is: 159,818,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,348.80 : 189,044,023.20 = 106,545,803.20 : x
  2. Step 2: Convert to fraction form
    126,029,348.80/189,044,023.20 = 106,545,803.20/x
  3. Step 3: Cross multiply
    126,029,348.80x = 189,044,023.20 × 106,545,803.20
  4. Step 4: Simplify right side
    126,029,348.80x = 20,141,847,292,003,432
  5. Step 5: Solve for x
    x = 20,141,847,292,003,432/126,029,348.80
  6. Step 6: Final answer
    x = 159,818,704.80

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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.