Home / 74,660,190.60-111,990,285.90-20,807,502.60

Finding the Fourth Proportional to 74,660,190.60, 111,990,285.90 and 20,807,502.60

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Solution

The fourth proportional to 74,660,190.60, 111,990,285.90 and 20,807,502.60 is: 31,211,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,660,190.60 : 111,990,285.90 = 20,807,502.60 : x
  2. Step 2: Convert to fraction form
    74,660,190.60/111,990,285.90 = 20,807,502.60/x
  3. Step 3: Cross multiply
    74,660,190.60x = 111,990,285.90 × 20,807,502.60
  4. Step 4: Simplify right side
    74,660,190.60x = 2,330,238,165,038,993.50
  5. Step 5: Solve for x
    x = 2,330,238,165,038,993.50/74,660,190.60
  6. Step 6: Final answer
    x = 31,211,253.90

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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.