Home / 279,950,206.40-419,988,295.20-164,875,515.20

Finding the Fourth Proportional to 279,950,206.40, 419,988,295.20 and 164,875,515.20

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Solution

The fourth proportional to 279,950,206.40, 419,988,295.20 and 164,875,515.20 is: 247,350,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,950,206.40 : 419,988,295.20 = 164,875,515.20 : x
  2. Step 2: Convert to fraction form
    279,950,206.40/419,988,295.20 = 164,875,515.20/x
  3. Step 3: Cross multiply
    279,950,206.40x = 419,988,295.20 × 164,875,515.20
  4. Step 4: Simplify right side
    279,950,206.40x = 69,245,786,549,069,680
  5. Step 5: Solve for x
    x = 69,245,786,549,069,680/279,950,206.40
  6. Step 6: Final answer
    x = 247,350,367.91

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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.