Home / 60,681,947.20-91,022,920.80-40,274,612.80

Finding the Fourth Proportional to 60,681,947.20, 91,022,920.80 and 40,274,612.80

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Solution

The fourth proportional to 60,681,947.20, 91,022,920.80 and 40,274,612.80 is: 60,411,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,681,947.20 : 91,022,920.80 = 40,274,612.80 : x
  2. Step 2: Convert to fraction form
    60,681,947.20/91,022,920.80 = 40,274,612.80/x
  3. Step 3: Cross multiply
    60,681,947.20x = 91,022,920.80 × 40,274,612.80
  4. Step 4: Simplify right side
    60,681,947.20x = 3,665,912,891,145,066
  5. Step 5: Solve for x
    x = 3,665,912,891,145,066/60,681,947.20
  6. Step 6: Final answer
    x = 60,411,919.20

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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.