Home / 66,142,441.83-99,207,248.22-20,084,709.80

Finding the Fourth Proportional to 66,142,441.83, 99,207,248.22 and 20,084,709.80

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Solution

The fourth proportional to 66,142,441.83, 99,207,248.22 and 20,084,709.80 is: 30,125,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,441.83 : 99,207,248.22 = 20,084,709.80 : x
  2. Step 2: Convert to fraction form
    66,142,441.83/99,207,248.22 = 20,084,709.80/x
  3. Step 3: Cross multiply
    66,142,441.83x = 99,207,248.22 × 20,084,709.80
  4. Step 4: Simplify right side
    66,142,441.83x = 1,992,548,790,878,602
  5. Step 5: Solve for x
    x = 1,992,548,790,878,602/66,142,441.83
  6. Step 6: Final answer
    x = 30,125,116.88

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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.