Home / 87,911,998.40-131,867,997.60-36,788,686.40

Finding the Fourth Proportional to 87,911,998.40, 131,867,997.60 and 36,788,686.40

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Solution

The fourth proportional to 87,911,998.40, 131,867,997.60 and 36,788,686.40 is: 55,183,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,911,998.40 : 131,867,997.60 = 36,788,686.40 : x
  2. Step 2: Convert to fraction form
    87,911,998.40/131,867,997.60 = 36,788,686.40/x
  3. Step 3: Cross multiply
    87,911,998.40x = 131,867,997.60 × 36,788,686.40
  4. Step 4: Simplify right side
    87,911,998.40x = 4,851,250,409,902,352
  5. Step 5: Solve for x
    x = 4,851,250,409,902,352/87,911,998.40
  6. Step 6: Final answer
    x = 55,183,029.60

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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.