Home / 67,941,015.90-93,761,255.97-38,575,080.78

Finding the Fourth Proportional to 67,941,015.90, 93,761,255.97 and 38,575,080.78

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Solution

The fourth proportional to 67,941,015.90, 93,761,255.97 and 38,575,080.78 is: 53,235,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,941,015.90 : 93,761,255.97 = 38,575,080.78 : x
  2. Step 2: Convert to fraction form
    67,941,015.90/93,761,255.97 = 38,575,080.78/x
  3. Step 3: Cross multiply
    67,941,015.90x = 93,761,255.97 × 38,575,080.78
  4. Step 4: Simplify right side
    67,941,015.90x = 3,616,848,023,077,007.50
  5. Step 5: Solve for x
    x = 3,616,848,023,077,007.50/67,941,015.90
  6. Step 6: Final answer
    x = 53,235,118.36

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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.