Home / 80,869,253.81-121,180,445.51-48,015,126.20

Finding the Fourth Proportional to 80,869,253.81, 121,180,445.51 and 48,015,126.20

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Solution

The fourth proportional to 80,869,253.81, 121,180,445.51 and 48,015,126.20 is: 71,949,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,869,253.81 : 121,180,445.51 = 48,015,126.20 : x
  2. Step 2: Convert to fraction form
    80,869,253.81/121,180,445.51 = 48,015,126.20/x
  3. Step 3: Cross multiply
    80,869,253.81x = 121,180,445.51 × 48,015,126.20
  4. Step 4: Simplify right side
    80,869,253.81x = 5,818,494,383,288,895
  5. Step 5: Solve for x
    x = 5,818,494,383,288,895/80,869,253.81
  6. Step 6: Final answer
    x = 71,949,401.16

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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.