Home / 272,396,010.30-408,594,015.45-163,344,317.10

Finding the Fourth Proportional to 272,396,010.30, 408,594,015.45 and 163,344,317.10

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Solution

The fourth proportional to 272,396,010.30, 408,594,015.45 and 163,344,317.10 is: 245,016,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,396,010.30 : 408,594,015.45 = 163,344,317.10 : x
  2. Step 2: Convert to fraction form
    272,396,010.30/408,594,015.45 = 163,344,317.10/x
  3. Step 3: Cross multiply
    272,396,010.30x = 408,594,015.45 × 163,344,317.10
  4. Step 4: Simplify right side
    272,396,010.30x = 66,741,510,424,827,096
  5. Step 5: Solve for x
    x = 66,741,510,424,827,096/272,396,010.30
  6. Step 6: Final answer
    x = 245,016,475.65

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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.