Home / 60,680,015.10-91,020,022.65-20,290,499.10

Finding the Fourth Proportional to 60,680,015.10, 91,020,022.65 and 20,290,499.10

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Solution

The fourth proportional to 60,680,015.10, 91,020,022.65 and 20,290,499.10 is: 30,435,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,680,015.10 : 91,020,022.65 = 20,290,499.10 : x
  2. Step 2: Convert to fraction form
    60,680,015.10/91,020,022.65 = 20,290,499.10/x
  3. Step 3: Cross multiply
    60,680,015.10x = 91,020,022.65 × 20,290,499.10
  4. Step 4: Simplify right side
    60,680,015.10x = 1,846,841,687,661,804.75
  5. Step 5: Solve for x
    x = 1,846,841,687,661,804.75/60,680,015.10
  6. Step 6: Final answer
    x = 30,435,748.65

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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.