Home / 138,384,257,505.22-207,555,412,887.74-37,662,973,872.38

Finding the Fourth Proportional to 138,384,257,505.22, 207,555,412,887.74 and 37,662,973,872.38

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Solution

The fourth proportional to 138,384,257,505.22, 207,555,412,887.74 and 37,662,973,872.38 is: 56,488,752,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,384,257,505.22 : 207,555,412,887.74 = 37,662,973,872.38 : x
  2. Step 2: Convert to fraction form
    138,384,257,505.22/207,555,412,887.74 = 37,662,973,872.38/x
  3. Step 3: Cross multiply
    138,384,257,505.22x = 207,555,412,887.74 × 37,662,973,872.38
  4. Step 4: Simplify right side
    138,384,257,505.22x = 7,817,154,092,661,579,186,176
  5. Step 5: Solve for x
    x = 7,817,154,092,661,579,186,176/138,384,257,505.22
  6. Step 6: Final answer
    x = 56,488,752,648.52

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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.