Home / 138,384,257,483.52-207,555,412,855.14-37,662,973,850.64

Finding the Fourth Proportional to 138,384,257,483.52, 207,555,412,855.14 and 37,662,973,850.64

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Solution

The fourth proportional to 138,384,257,483.52, 207,555,412,855.14 and 37,662,973,850.64 is: 56,488,752,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,384,257,483.52 : 207,555,412,855.14 = 37,662,973,850.64 : x
  2. Step 2: Convert to fraction form
    138,384,257,483.52/207,555,412,855.14 = 37,662,973,850.64/x
  3. Step 3: Cross multiply
    138,384,257,483.52x = 207,555,412,855.14 × 37,662,973,850.64
  4. Step 4: Simplify right side
    138,384,257,483.52x = 7,817,154,086,921,927,917,568
  5. Step 5: Solve for x
    x = 7,817,154,086,921,927,917,568/138,384,257,483.52
  6. Step 6: Final answer
    x = 56,488,752,615.90

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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.