Home / 66,545,232.20-99,649,886.70-43,702,454.60

Finding the Fourth Proportional to 66,545,232.20, 99,649,886.70 and 43,702,454.60

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Solution

The fourth proportional to 66,545,232.20, 99,649,886.70 and 43,702,454.60 is: 65,443,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545,232.20 : 99,649,886.70 = 43,702,454.60 : x
  2. Step 2: Convert to fraction form
    66,545,232.20/99,649,886.70 = 43,702,454.60/x
  3. Step 3: Cross multiply
    66,545,232.20x = 99,649,886.70 × 43,702,454.60
  4. Step 4: Simplify right side
    66,545,232.20x = 4,354,944,649,401,894
  5. Step 5: Solve for x
    x = 4,354,944,649,401,894/66,545,232.20
  6. Step 6: Final answer
    x = 65,443,375.96

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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.