Home / 34,155,456.60-51,108,768.90-21,382,080.60

Finding the Fourth Proportional to 34,155,456.60, 51,108,768.90 and 21,382,080.60

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Solution

The fourth proportional to 34,155,456.60, 51,108,768.90 and 21,382,080.60 is: 31,995,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,155,456.60 : 51,108,768.90 = 21,382,080.60 : x
  2. Step 2: Convert to fraction form
    34,155,456.60/51,108,768.90 = 21,382,080.60/x
  3. Step 3: Cross multiply
    34,155,456.60x = 51,108,768.90 × 21,382,080.60
  4. Step 4: Simplify right side
    34,155,456.60x = 1,092,811,815,986,573.38
  5. Step 5: Solve for x
    x = 1,092,811,815,986,573.38/34,155,456.60
  6. Step 6: Final answer
    x = 31,995,233.70

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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.