Home / 63,611,039.12-87,786,983.67-47,902,348.97

Finding the Fourth Proportional to 63,611,039.12, 87,786,983.67 and 47,902,348.97

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Solution

The fourth proportional to 63,611,039.12, 87,786,983.67 and 47,902,348.97 is: 66,108,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,611,039.12 : 87,786,983.67 = 47,902,348.97 : x
  2. Step 2: Convert to fraction form
    63,611,039.12/87,786,983.67 = 47,902,348.97/x
  3. Step 3: Cross multiply
    63,611,039.12x = 87,786,983.67 × 47,902,348.97
  4. Step 4: Simplify right side
    63,611,039.12x = 4,205,202,726,784,031.50
  5. Step 5: Solve for x
    x = 4,205,202,726,784,031.50/63,611,039.12
  6. Step 6: Final answer
    x = 66,108,065.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.