Home / 289,940,797.20-400,118,365.70-159,560,605.20

Finding the Fourth Proportional to 289,940,797.20, 400,118,365.70 and 159,560,605.20

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Solution

The fourth proportional to 289,940,797.20, 400,118,365.70 and 159,560,605.20 is: 220,193,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,940,797.20 : 400,118,365.70 = 159,560,605.20 : x
  2. Step 2: Convert to fraction form
    289,940,797.20/400,118,365.70 = 159,560,605.20/x
  3. Step 3: Cross multiply
    289,940,797.20x = 400,118,365.70 × 159,560,605.20
  4. Step 4: Simplify right side
    289,940,797.20x = 63,843,128,582,726,912
  5. Step 5: Solve for x
    x = 63,843,128,582,726,912/289,940,797.20
  6. Step 6: Final answer
    x = 220,193,671.26

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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.