Home / 138,384,257,515.20-207,555,412,902.72-37,662,973,882.36

Finding the Fourth Proportional to 138,384,257,515.20, 207,555,412,902.72 and 37,662,973,882.36

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Solution

The fourth proportional to 138,384,257,515.20, 207,555,412,902.72 and 37,662,973,882.36 is: 56,488,752,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,384,257,515.20 : 207,555,412,902.72 = 37,662,973,882.36 : x
  2. Step 2: Convert to fraction form
    138,384,257,515.20/207,555,412,902.72 = 37,662,973,882.36/x
  3. Step 3: Cross multiply
    138,384,257,515.20x = 207,555,412,902.72 × 37,662,973,882.36
  4. Step 4: Simplify right side
    138,384,257,515.20x = 7,817,154,095,297,589,149,696
  5. Step 5: Solve for x
    x = 7,817,154,095,297,589,149,696/138,384,257,515.20
  6. Step 6: Final answer
    x = 56,488,752,663.50

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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.