Home / 272,396,018.80-408,594,028.20-163,344,325.60

Finding the Fourth Proportional to 272,396,018.80, 408,594,028.20 and 163,344,325.60

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Solution

The fourth proportional to 272,396,018.80, 408,594,028.20 and 163,344,325.60 is: 245,016,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,396,018.80 : 408,594,028.20 = 163,344,325.60 : x
  2. Step 2: Convert to fraction form
    272,396,018.80/408,594,028.20 = 163,344,325.60/x
  3. Step 3: Cross multiply
    272,396,018.80x = 408,594,028.20 × 163,344,325.60
  4. Step 4: Simplify right side
    272,396,018.80x = 66,741,515,980,516,376
  5. Step 5: Solve for x
    x = 66,741,515,980,516,376/272,396,018.80
  6. Step 6: Final answer
    x = 245,016,488.40

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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.