Home / 187,029,013.15-280,543,519.73-174,274,429.15

Finding the Fourth Proportional to 187,029,013.15, 280,543,519.73 and 174,274,429.15

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Solution

The fourth proportional to 187,029,013.15, 280,543,519.73 and 174,274,429.15 is: 261,411,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029,013.15 : 280,543,519.73 = 174,274,429.15 : x
  2. Step 2: Convert to fraction form
    187,029,013.15/280,543,519.73 = 174,274,429.15/x
  3. Step 3: Cross multiply
    187,029,013.15x = 280,543,519.73 × 174,274,429.15
  4. Step 4: Simplify right side
    187,029,013.15x = 48,891,561,752,677,520
  5. Step 5: Solve for x
    x = 48,891,561,752,677,520/187,029,013.15
  6. Step 6: Final answer
    x = 261,411,643.73

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Similar ratio
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1.5x scale

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.