Home / 74,087,999.40-111,131,999.10-20,235,311.40

Finding the Fourth Proportional to 74,087,999.40, 111,131,999.10 and 20,235,311.40

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Solution

The fourth proportional to 74,087,999.40, 111,131,999.10 and 20,235,311.40 is: 30,352,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,087,999.40 : 111,131,999.10 = 20,235,311.40 : x
  2. Step 2: Convert to fraction form
    74,087,999.40/111,131,999.10 = 20,235,311.40/x
  3. Step 3: Cross multiply
    74,087,999.40x = 111,131,999.10 × 20,235,311.40
  4. Step 4: Simplify right side
    74,087,999.40x = 2,248,790,608,293,019.50
  5. Step 5: Solve for x
    x = 2,248,790,608,293,019.50/74,087,999.40
  6. Step 6: Final answer
    x = 30,352,967.10

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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.