Home / 51,144,047.75-76,746,338.70-18,818,650.70

Finding the Fourth Proportional to 51,144,047.75, 76,746,338.70 and 18,818,650.70

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Solution

The fourth proportional to 51,144,047.75, 76,746,338.70 and 18,818,650.70 is: 28,239,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144,047.75 : 76,746,338.70 = 18,818,650.70 : x
  2. Step 2: Convert to fraction form
    51,144,047.75/76,746,338.70 = 18,818,650.70/x
  3. Step 3: Cross multiply
    51,144,047.75x = 76,746,338.70 × 18,818,650.70
  4. Step 4: Simplify right side
    51,144,047.75x = 1,444,262,540,499,192
  5. Step 5: Solve for x
    x = 1,444,262,540,499,192/51,144,047.75
  6. Step 6: Final answer
    x = 28,239,112.94

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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.