Home / 83,122,915.20-124,704,033.60-26,389,219.20

Finding the Fourth Proportional to 83,122,915.20, 124,704,033.60 and 26,389,219.20

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Solution

The fourth proportional to 83,122,915.20, 124,704,033.60 and 26,389,219.20 is: 39,590,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,122,915.20 : 124,704,033.60 = 26,389,219.20 : x
  2. Step 2: Convert to fraction form
    83,122,915.20/124,704,033.60 = 26,389,219.20/x
  3. Step 3: Cross multiply
    83,122,915.20x = 124,704,033.60 × 26,389,219.20
  4. Step 4: Simplify right side
    83,122,915.20x = 3,290,842,077,794,565
  5. Step 5: Solve for x
    x = 3,290,842,077,794,565/83,122,915.20
  6. Step 6: Final answer
    x = 39,590,070.56

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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.