Home / 82,944,092.70-124,416,139.05-76,374,927.90

Finding the Fourth Proportional to 82,944,092.70, 124,416,139.05 and 76,374,927.90

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Solution

The fourth proportional to 82,944,092.70, 124,416,139.05 and 76,374,927.90 is: 114,562,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,092.70 : 124,416,139.05 = 76,374,927.90 : x
  2. Step 2: Convert to fraction form
    82,944,092.70/124,416,139.05 = 76,374,927.90/x
  3. Step 3: Cross multiply
    82,944,092.70x = 124,416,139.05 × 76,374,927.90
  4. Step 4: Simplify right side
    82,944,092.70x = 9,502,273,649,540,126
  5. Step 5: Solve for x
    x = 9,502,273,649,540,126/82,944,092.70
  6. Step 6: Final answer
    x = 114,562,391.85

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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.