Home / 138,329,584,658.88-207,498,970,190.88-47,570,110,609.92

Finding the Fourth Proportional to 138,329,584,658.88, 207,498,970,190.88 and 47,570,110,609.92

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Solution

The fourth proportional to 138,329,584,658.88, 207,498,970,190.88 and 47,570,110,609.92 is: 71,356,745,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,329,584,658.88 : 207,498,970,190.88 = 47,570,110,609.92 : x
  2. Step 2: Convert to fraction form
    138,329,584,658.88/207,498,970,190.88 = 47,570,110,609.92/x
  3. Step 3: Cross multiply
    138,329,584,658.88x = 207,498,970,190.88 × 47,570,110,609.92
  4. Step 4: Simplify right side
    138,329,584,658.88x = 9,870,748,963,424,654,327,808
  5. Step 5: Solve for x
    x = 9,870,748,963,424,654,327,808/138,329,584,658.88
  6. Step 6: Final answer
    x = 71,356,745,469.64

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1.5x scale

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.