Home / 87,376,504.80-131,111,996.40-38,861,846.40

Finding the Fourth Proportional to 87,376,504.80, 131,111,996.40 and 38,861,846.40

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Solution

The fourth proportional to 87,376,504.80, 131,111,996.40 and 38,861,846.40 is: 58,313,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,376,504.80 : 131,111,996.40 = 38,861,846.40 : x
  2. Step 2: Convert to fraction form
    87,376,504.80/131,111,996.40 = 38,861,846.40/x
  3. Step 3: Cross multiply
    87,376,504.80x = 131,111,996.40 × 38,861,846.40
  4. Step 4: Simplify right side
    87,376,504.80x = 5,095,254,265,294,153
  5. Step 5: Solve for x
    x = 5,095,254,265,294,153/87,376,504.80
  6. Step 6: Final answer
    x = 58,313,779.85

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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.