Home / 154,034,863.41-231,127,029.15-67,762,060.29

Finding the Fourth Proportional to 154,034,863.41, 231,127,029.15 and 67,762,060.29

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Solution

The fourth proportional to 154,034,863.41, 231,127,029.15 and 67,762,060.29 is: 101,675,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,034,863.41 : 231,127,029.15 = 67,762,060.29 : x
  2. Step 2: Convert to fraction form
    154,034,863.41/231,127,029.15 = 67,762,060.29/x
  3. Step 3: Cross multiply
    154,034,863.41x = 231,127,029.15 × 67,762,060.29
  4. Step 4: Simplify right side
    154,034,863.41x = 15,661,643,683,910,890
  5. Step 5: Solve for x
    x = 15,661,643,683,910,890/154,034,863.41
  6. Step 6: Final answer
    x = 101,675,966.97

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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.