Home / 71,126,348.31-106,704,751.62-21,275,084.93

Finding the Fourth Proportional to 71,126,348.31, 106,704,751.62 and 21,275,084.93

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Solution

The fourth proportional to 71,126,348.31, 106,704,751.62 and 21,275,084.93 is: 31,917,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,126,348.31 : 106,704,751.62 = 21,275,084.93 : x
  2. Step 2: Convert to fraction form
    71,126,348.31/106,704,751.62 = 21,275,084.93/x
  3. Step 3: Cross multiply
    71,126,348.31x = 106,704,751.62 × 21,275,084.93
  4. Step 4: Simplify right side
    71,126,348.31x = 2,270,152,653,150,055
  5. Step 5: Solve for x
    x = 2,270,152,653,150,055/71,126,348.31
  6. Step 6: Final answer
    x = 31,917,182.69

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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.