Home / 83,122,981.20-124,704,132.60-26,389,285.20

Finding the Fourth Proportional to 83,122,981.20, 124,704,132.60 and 26,389,285.20

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Solution

The fourth proportional to 83,122,981.20, 124,704,132.60 and 26,389,285.20 is: 39,590,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,122,981.20 : 124,704,132.60 = 26,389,285.20 : x
  2. Step 2: Convert to fraction form
    83,122,981.20/124,704,132.60 = 26,389,285.20/x
  3. Step 3: Cross multiply
    83,122,981.20x = 124,704,132.60 × 26,389,285.20
  4. Step 4: Simplify right side
    83,122,981.20x = 3,290,852,920,800,017.50
  5. Step 5: Solve for x
    x = 3,290,852,920,800,017.50/83,122,981.20
  6. Step 6: Final answer
    x = 39,590,169.57

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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.