Home / 80,869,238.08-121,180,422.03-48,015,110.57

Finding the Fourth Proportional to 80,869,238.08, 121,180,422.03 and 48,015,110.57

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Solution

The fourth proportional to 80,869,238.08, 121,180,422.03 and 48,015,110.57 is: 71,949,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,869,238.08 : 121,180,422.03 = 48,015,110.57 : x
  2. Step 2: Convert to fraction form
    80,869,238.08/121,180,422.03 = 48,015,110.57/x
  3. Step 3: Cross multiply
    80,869,238.08x = 121,180,422.03 × 48,015,110.57
  4. Step 4: Simplify right side
    80,869,238.08x = 5,818,491,362,628,026
  5. Step 5: Solve for x
    x = 5,818,491,362,628,026/80,869,238.08
  6. Step 6: Final answer
    x = 71,949,377.79

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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.