Home / 202,752,000.80-304,128,001.20-51,462,144.80

Finding the Fourth Proportional to 202,752,000.80, 304,128,001.20 and 51,462,144.80

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Solution

The fourth proportional to 202,752,000.80, 304,128,001.20 and 51,462,144.80 is: 77,193,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,752,000.80 : 304,128,001.20 = 51,462,144.80 : x
  2. Step 2: Convert to fraction form
    202,752,000.80/304,128,001.20 = 51,462,144.80/x
  3. Step 3: Cross multiply
    202,752,000.80x = 304,128,001.20 × 51,462,144.80
  4. Step 4: Simplify right side
    202,752,000.80x = 15,651,079,235,488,972
  5. Step 5: Solve for x
    x = 15,651,079,235,488,972/202,752,000.80
  6. Step 6: Final answer
    x = 77,193,217.20

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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.