Home / 289,940,799.20-400,118,368.46-159,560,607.20

Finding the Fourth Proportional to 289,940,799.20, 400,118,368.46 and 159,560,607.20

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Solution

The fourth proportional to 289,940,799.20, 400,118,368.46 and 159,560,607.20 is: 220,193,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,940,799.20 : 400,118,368.46 = 159,560,607.20 : x
  2. Step 2: Convert to fraction form
    289,940,799.20/400,118,368.46 = 159,560,607.20/x
  3. Step 3: Cross multiply
    289,940,799.20x = 400,118,368.46 × 159,560,607.20
  4. Step 4: Simplify right side
    289,940,799.20x = 63,843,129,823,350,920
  5. Step 5: Solve for x
    x = 63,843,129,823,350,920/289,940,799.20
  6. Step 6: Final answer
    x = 220,193,674.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.