Home / 72,578,230.20-108,867,345.30-72,074,345.40

Finding the Fourth Proportional to 72,578,230.20, 108,867,345.30 and 72,074,345.40

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Solution

The fourth proportional to 72,578,230.20, 108,867,345.30 and 72,074,345.40 is: 108,111,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,578,230.20 : 108,867,345.30 = 72,074,345.40 : x
  2. Step 2: Convert to fraction form
    72,578,230.20/108,867,345.30 = 72,074,345.40/x
  3. Step 3: Cross multiply
    72,578,230.20x = 108,867,345.30 × 72,074,345.40
  4. Step 4: Simplify right side
    72,578,230.20x = 7,846,542,647,933,267
  5. Step 5: Solve for x
    x = 7,846,542,647,933,267/72,578,230.20
  6. Step 6: Final answer
    x = 108,111,518.10

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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.