Home / 87,322,008.60-130,983,012.90-61,791,845.40

Finding the Fourth Proportional to 87,322,008.60, 130,983,012.90 and 61,791,845.40

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Solution

The fourth proportional to 87,322,008.60, 130,983,012.90 and 61,791,845.40 is: 92,687,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,322,008.60 : 130,983,012.90 = 61,791,845.40 : x
  2. Step 2: Convert to fraction form
    87,322,008.60/130,983,012.90 = 61,791,845.40/x
  3. Step 3: Cross multiply
    87,322,008.60x = 130,983,012.90 × 61,791,845.40
  4. Step 4: Simplify right side
    87,322,008.60x = 8,093,682,083,143,006
  5. Step 5: Solve for x
    x = 8,093,682,083,143,006/87,322,008.60
  6. Step 6: Final answer
    x = 92,687,768.10

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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.