Home / 87,663,740.80-131,495,611.20-36,582,419.20

Finding the Fourth Proportional to 87,663,740.80, 131,495,611.20 and 36,582,419.20

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Solution

The fourth proportional to 87,663,740.80, 131,495,611.20 and 36,582,419.20 is: 54,873,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,663,740.80 : 131,495,611.20 = 36,582,419.20 : x
  2. Step 2: Convert to fraction form
    87,663,740.80/131,495,611.20 = 36,582,419.20/x
  3. Step 3: Cross multiply
    87,663,740.80x = 131,495,611.20 × 36,582,419.20
  4. Step 4: Simplify right side
    87,663,740.80x = 4,810,427,571,878,616
  5. Step 5: Solve for x
    x = 4,810,427,571,878,616/87,663,740.80
  6. Step 6: Final answer
    x = 54,873,628.80

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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.