Home / 71,007,514.80-106,511,272.20-58,242,433.20

Finding the Fourth Proportional to 71,007,514.80, 106,511,272.20 and 58,242,433.20

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Solution

The fourth proportional to 71,007,514.80, 106,511,272.20 and 58,242,433.20 is: 87,363,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,007,514.80 : 106,511,272.20 = 58,242,433.20 : x
  2. Step 2: Convert to fraction form
    71,007,514.80/106,511,272.20 = 58,242,433.20/x
  3. Step 3: Cross multiply
    71,007,514.80x = 106,511,272.20 × 58,242,433.20
  4. Step 4: Simplify right side
    71,007,514.80x = 6,203,475,656,155,518
  5. Step 5: Solve for x
    x = 6,203,475,656,155,518/71,007,514.80
  6. Step 6: Final answer
    x = 87,363,649.80

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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.