Home / 66,575,128.50-91,876,514.70-37,206,460.20

Finding the Fourth Proportional to 66,575,128.50, 91,876,514.70 and 37,206,460.20

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Solution

The fourth proportional to 66,575,128.50, 91,876,514.70 and 37,206,460.20 is: 51,346,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,575,128.50 : 91,876,514.70 = 37,206,460.20 : x
  2. Step 2: Convert to fraction form
    66,575,128.50/91,876,514.70 = 37,206,460.20/x
  3. Step 3: Cross multiply
    66,575,128.50x = 91,876,514.70 × 37,206,460.20
  4. Step 4: Simplify right side
    66,575,128.50x = 3,418,399,887,500,265.50
  5. Step 5: Solve for x
    x = 3,418,399,887,500,265.50/66,575,128.50
  6. Step 6: Final answer
    x = 51,346,500.78

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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.