Home / 138,384,257,487.27-207,555,412,860.77-37,662,973,854.39

Finding the Fourth Proportional to 138,384,257,487.27, 207,555,412,860.77 and 37,662,973,854.39

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Solution

The fourth proportional to 138,384,257,487.27, 207,555,412,860.77 and 37,662,973,854.39 is: 56,488,752,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,384,257,487.27 : 207,555,412,860.77 = 37,662,973,854.39 : x
  2. Step 2: Convert to fraction form
    138,384,257,487.27/207,555,412,860.77 = 37,662,973,854.39/x
  3. Step 3: Cross multiply
    138,384,257,487.27x = 207,555,412,860.77 × 37,662,973,854.39
  4. Step 4: Simplify right side
    138,384,257,487.27x = 7,817,154,087,912,301,658,112
  5. Step 5: Solve for x
    x = 7,817,154,087,912,301,658,112/138,384,257,487.27
  6. Step 6: Final answer
    x = 56,488,752,621.53

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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.