Home / 127,568,737.19-191,197,648.33-66,124,020.85

Finding the Fourth Proportional to 127,568,737.19, 191,197,648.33 and 66,124,020.85

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Solution

The fourth proportional to 127,568,737.19, 191,197,648.33 and 66,124,020.85 is: 99,105,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,737.19 : 191,197,648.33 = 66,124,020.85 : x
  2. Step 2: Convert to fraction form
    127,568,737.19/191,197,648.33 = 66,124,020.85/x
  3. Step 3: Cross multiply
    127,568,737.19x = 191,197,648.33 × 66,124,020.85
  4. Step 4: Simplify right side
    127,568,737.19x = 12,642,757,284,372,200
  5. Step 5: Solve for x
    x = 12,642,757,284,372,200/127,568,737.19
  6. Step 6: Final answer
    x = 99,105,451.40

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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.