Home / 74,087,998.40-111,131,997.60-20,235,310.40

Finding the Fourth Proportional to 74,087,998.40, 111,131,997.60 and 20,235,310.40

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Solution

The fourth proportional to 74,087,998.40, 111,131,997.60 and 20,235,310.40 is: 30,352,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,087,998.40 : 111,131,997.60 = 20,235,310.40 : x
  2. Step 2: Convert to fraction form
    74,087,998.40/111,131,997.60 = 20,235,310.40/x
  3. Step 3: Cross multiply
    74,087,998.40x = 111,131,997.60 × 20,235,310.40
  4. Step 4: Simplify right side
    74,087,998.40x = 2,248,790,466,808,054.75
  5. Step 5: Solve for x
    x = 2,248,790,466,808,054.75/74,087,998.40
  6. Step 6: Final answer
    x = 30,352,965.60

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Double scale
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Similar ratio
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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.