Home / 42,067,999.60-63,101,999.40-19,393,183.60

Finding the Fourth Proportional to 42,067,999.60, 63,101,999.40 and 19,393,183.60

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Solution

The fourth proportional to 42,067,999.60, 63,101,999.40 and 19,393,183.60 is: 29,089,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,067,999.60 : 63,101,999.40 = 19,393,183.60 : x
  2. Step 2: Convert to fraction form
    42,067,999.60/63,101,999.40 = 19,393,183.60/x
  3. Step 3: Cross multiply
    42,067,999.60x = 63,101,999.40 × 19,393,183.60
  4. Step 4: Simplify right side
    42,067,999.60x = 1,223,748,659,891,290
  5. Step 5: Solve for x
    x = 1,223,748,659,891,290/42,067,999.60
  6. Step 6: Final answer
    x = 29,089,775.40

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1.5x scale

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.