Home / 87,103,816.20-130,697,714.70-61,489,672.20

Finding the Fourth Proportional to 87,103,816.20, 130,697,714.70 and 61,489,672.20

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Solution

The fourth proportional to 87,103,816.20, 130,697,714.70 and 61,489,672.20 is: 92,264,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,103,816.20 : 130,697,714.70 = 61,489,672.20 : x
  2. Step 2: Convert to fraction form
    87,103,816.20/130,697,714.70 = 61,489,672.20/x
  3. Step 3: Cross multiply
    87,103,816.20x = 130,697,714.70 × 61,489,672.20
  4. Step 4: Simplify right side
    87,103,816.20x = 8,036,559,634,192,122
  5. Step 5: Solve for x
    x = 8,036,559,634,192,122/87,103,816.20
  6. Step 6: Final answer
    x = 92,264,150.81

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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.