Home / 78,175,432.80-117,224,942.31-32,104,987.47

Finding the Fourth Proportional to 78,175,432.80, 117,224,942.31 and 32,104,987.47

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Solution

The fourth proportional to 78,175,432.80, 117,224,942.31 and 32,104,987.47 is: 48,141,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,175,432.80 : 117,224,942.31 = 32,104,987.47 : x
  2. Step 2: Convert to fraction form
    78,175,432.80/117,224,942.31 = 32,104,987.47/x
  3. Step 3: Cross multiply
    78,175,432.80x = 117,224,942.31 × 32,104,987.47
  4. Step 4: Simplify right side
    78,175,432.80x = 3,763,505,304,034,023
  5. Step 5: Solve for x
    x = 3,763,505,304,034,023/78,175,432.80
  6. Step 6: Final answer
    x = 48,141,790.45

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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.