Home / 66,221,713.20-99,367,999.20-27,887,102.40

Finding the Fourth Proportional to 66,221,713.20, 99,367,999.20 and 27,887,102.40

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Solution

The fourth proportional to 66,221,713.20, 99,367,999.20 and 27,887,102.40 is: 41,845,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,221,713.20 : 99,367,999.20 = 27,887,102.40 : x
  2. Step 2: Convert to fraction form
    66,221,713.20/99,367,999.20 = 27,887,102.40/x
  3. Step 3: Cross multiply
    66,221,713.20x = 99,367,999.20 × 27,887,102.40
  4. Step 4: Simplify right side
    66,221,713.20x = 2,771,085,568,973,518
  5. Step 5: Solve for x
    x = 2,771,085,568,973,518/66,221,713.20
  6. Step 6: Final answer
    x = 41,845,573.53

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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.