Home / 83,984,164.80-125,976,247.20-20,158,756.80

Finding the Fourth Proportional to 83,984,164.80, 125,976,247.20 and 20,158,756.80

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Solution

The fourth proportional to 83,984,164.80, 125,976,247.20 and 20,158,756.80 is: 30,238,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984,164.80 : 125,976,247.20 = 20,158,756.80 : x
  2. Step 2: Convert to fraction form
    83,984,164.80/125,976,247.20 = 20,158,756.80/x
  3. Step 3: Cross multiply
    83,984,164.80x = 125,976,247.20 × 20,158,756.80
  4. Step 4: Simplify right side
    83,984,164.80x = 2,539,524,529,881,481
  5. Step 5: Solve for x
    x = 2,539,524,529,881,481/83,984,164.80
  6. Step 6: Final answer
    x = 30,238,135.20

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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.