Home / 173,842,249.20-260,668,895.40-71,616,620.40

Finding the Fourth Proportional to 173,842,249.20, 260,668,895.40 and 71,616,620.40

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Solution

The fourth proportional to 173,842,249.20, 260,668,895.40 and 71,616,620.40 is: 107,386,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,842,249.20 : 260,668,895.40 = 71,616,620.40 : x
  2. Step 2: Convert to fraction form
    173,842,249.20/260,668,895.40 = 71,616,620.40/x
  3. Step 3: Cross multiply
    173,842,249.20x = 260,668,895.40 × 71,616,620.40
  4. Step 4: Simplify right side
    173,842,249.20x = 18,668,225,331,949,108
  5. Step 5: Solve for x
    x = 18,668,225,331,949,108/173,842,249.20
  6. Step 6: Final answer
    x = 107,386,008.97

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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.