Home / 51,552,668.06-71,142,142.80-38,380,740.74

Finding the Fourth Proportional to 51,552,668.06, 71,142,142.80 and 38,380,740.74

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Solution

The fourth proportional to 51,552,668.06, 71,142,142.80 and 38,380,740.74 is: 52,965,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,552,668.06 : 71,142,142.80 = 38,380,740.74 : x
  2. Step 2: Convert to fraction form
    51,552,668.06/71,142,142.80 = 38,380,740.74/x
  3. Step 3: Cross multiply
    51,552,668.06x = 71,142,142.80 × 38,380,740.74
  4. Step 4: Simplify right side
    51,552,668.06x = 2,730,488,138,494,857.50
  5. Step 5: Solve for x
    x = 2,730,488,138,494,857.50/51,552,668.06
  6. Step 6: Final answer
    x = 52,965,020.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.