Home / 297,216,005.40-445,824,008.10-159,466,498.20

Finding the Fourth Proportional to 297,216,005.40, 445,824,008.10 and 159,466,498.20

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Solution

The fourth proportional to 297,216,005.40, 445,824,008.10 and 159,466,498.20 is: 239,199,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,216,005.40 : 445,824,008.10 = 159,466,498.20 : x
  2. Step 2: Convert to fraction form
    297,216,005.40/445,824,008.10 = 159,466,498.20/x
  3. Step 3: Cross multiply
    297,216,005.40x = 445,824,008.10 × 159,466,498.20
  4. Step 4: Simplify right side
    297,216,005.40x = 71,093,993,385,195,432
  5. Step 5: Solve for x
    x = 71,093,993,385,195,432/297,216,005.40
  6. Step 6: Final answer
    x = 239,199,747.30

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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.