Home / 51,144,046.75-76,746,337.20-18,818,649.70

Finding the Fourth Proportional to 51,144,046.75, 76,746,337.20 and 18,818,649.70

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Solution

The fourth proportional to 51,144,046.75, 76,746,337.20 and 18,818,649.70 is: 28,239,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144,046.75 : 76,746,337.20 = 18,818,649.70 : x
  2. Step 2: Convert to fraction form
    51,144,046.75/76,746,337.20 = 18,818,649.70/x
  3. Step 3: Cross multiply
    51,144,046.75x = 76,746,337.20 × 18,818,649.70
  4. Step 4: Simplify right side
    51,144,046.75x = 1,444,262,435,524,878.75
  5. Step 5: Solve for x
    x = 1,444,262,435,524,878.75/51,144,046.75
  6. Step 6: Final answer
    x = 28,239,111.44

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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.