Home / 66,142,446.94-99,207,255.89-20,084,714.91

Finding the Fourth Proportional to 66,142,446.94, 99,207,255.89 and 20,084,714.91

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Solution

The fourth proportional to 66,142,446.94, 99,207,255.89 and 20,084,714.91 is: 30,125,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,446.94 : 99,207,255.89 = 20,084,714.91 : x
  2. Step 2: Convert to fraction form
    66,142,446.94/99,207,255.89 = 20,084,714.91/x
  3. Step 3: Cross multiply
    66,142,446.94x = 99,207,255.89 × 20,084,714.91
  4. Step 4: Simplify right side
    66,142,446.94x = 1,992,549,451,491,303.75
  5. Step 5: Solve for x
    x = 1,992,549,451,491,303.75/66,142,446.94
  6. Step 6: Final answer
    x = 30,125,124.54

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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.