Home / 72,336,040.40-108,516,016.20-33,513,291.20

Finding the Fourth Proportional to 72,336,040.40, 108,516,016.20 and 33,513,291.20

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Solution

The fourth proportional to 72,336,040.40, 108,516,016.20 and 33,513,291.20 is: 50,275,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,336,040.40 : 108,516,016.20 = 33,513,291.20 : x
  2. Step 2: Convert to fraction form
    72,336,040.40/108,516,016.20 = 33,513,291.20/x
  3. Step 3: Cross multiply
    72,336,040.40x = 108,516,016.20 × 33,513,291.20
  4. Step 4: Simplify right side
    72,336,040.40x = 3,636,728,850,774,517.50
  5. Step 5: Solve for x
    x = 3,636,728,850,774,517.50/72,336,040.40
  6. Step 6: Final answer
    x = 50,275,475.83

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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.