Home / 103,328,839.92-154,993,260.11-42,744,565.92

Finding the Fourth Proportional to 103,328,839.92, 154,993,260.11 and 42,744,565.92

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Solution

The fourth proportional to 103,328,839.92, 154,993,260.11 and 42,744,565.92 is: 64,116,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,328,839.92 : 154,993,260.11 = 42,744,565.92 : x
  2. Step 2: Convert to fraction form
    103,328,839.92/154,993,260.11 = 42,744,565.92/x
  3. Step 3: Cross multiply
    103,328,839.92x = 154,993,260.11 × 42,744,565.92
  4. Step 4: Simplify right side
    103,328,839.92x = 6,625,119,623,713,878
  5. Step 5: Solve for x
    x = 6,625,119,623,713,878/103,328,839.92
  6. Step 6: Final answer
    x = 64,116,848.97

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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.