Home / 297,198,827.20-445,420,327.20-143,513,963.20

Finding the Fourth Proportional to 297,198,827.20, 445,420,327.20 and 143,513,963.20

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Solution

The fourth proportional to 297,198,827.20, 445,420,327.20 and 143,513,963.20 is: 215,088,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,198,827.20 : 445,420,327.20 = 143,513,963.20 : x
  2. Step 2: Convert to fraction form
    297,198,827.20/445,420,327.20 = 143,513,963.20/x
  3. Step 3: Cross multiply
    297,198,827.20x = 445,420,327.20 × 143,513,963.20
  4. Step 4: Simplify right side
    297,198,827.20x = 63,924,036,446,312,752
  5. Step 5: Solve for x
    x = 63,924,036,446,312,752/297,198,827.20
  6. Step 6: Final answer
    x = 215,088,454.58

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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.