Home / 80,724,982.88-121,125,265.60-35,280,872.48

Finding the Fourth Proportional to 80,724,982.88, 121,125,265.60 and 35,280,872.48

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Solution

The fourth proportional to 80,724,982.88, 121,125,265.60 and 35,280,872.48 is: 52,937,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,724,982.88 : 121,125,265.60 = 35,280,872.48 : x
  2. Step 2: Convert to fraction form
    80,724,982.88/121,125,265.60 = 35,280,872.48/x
  3. Step 3: Cross multiply
    80,724,982.88x = 121,125,265.60 × 35,280,872.48
  4. Step 4: Simplify right side
    80,724,982.88x = 4,273,405,049,739,730
  5. Step 5: Solve for x
    x = 4,273,405,049,739,730/80,724,982.88
  6. Step 6: Final answer
    x = 52,937,825.41

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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.