Home / 442,869,759.90-664,304,639.85-136,122,014.70

Finding the Fourth Proportional to 442,869,759.90, 664,304,639.85 and 136,122,014.70

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Solution

The fourth proportional to 442,869,759.90, 664,304,639.85 and 136,122,014.70 is: 204,183,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,869,759.90 : 664,304,639.85 = 136,122,014.70 : x
  2. Step 2: Convert to fraction form
    442,869,759.90/664,304,639.85 = 136,122,014.70/x
  3. Step 3: Cross multiply
    442,869,759.90x = 664,304,639.85 × 136,122,014.70
  4. Step 4: Simplify right side
    442,869,759.90x = 90,426,485,950,939,904
  5. Step 5: Solve for x
    x = 90,426,485,950,939,904/442,869,759.90
  6. Step 6: Final answer
    x = 204,183,022.05

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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.