Home / 87,432,021.20-131,232,012.60-44,349,870.80

Finding the Fourth Proportional to 87,432,021.20, 131,232,012.60 and 44,349,870.80

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Solution

The fourth proportional to 87,432,021.20, 131,232,012.60 and 44,349,870.80 is: 66,567,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,432,021.20 : 131,232,012.60 = 44,349,870.80 : x
  2. Step 2: Convert to fraction form
    87,432,021.20/131,232,012.60 = 44,349,870.80/x
  3. Step 3: Cross multiply
    87,432,021.20x = 131,232,012.60 × 44,349,870.80
  4. Step 4: Simplify right side
    87,432,021.20x = 5,820,122,803,633,971
  5. Step 5: Solve for x
    x = 5,820,122,803,633,971/87,432,021.20
  6. Step 6: Final answer
    x = 66,567,405.44

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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.