Home / 289,940,904.06-400,118,512.98-159,560,712.06

Finding the Fourth Proportional to 289,940,904.06, 400,118,512.98 and 159,560,712.06

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Solution

The fourth proportional to 289,940,904.06, 400,118,512.98 and 159,560,712.06 is: 220,193,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,940,904.06 : 400,118,512.98 = 159,560,712.06 : x
  2. Step 2: Convert to fraction form
    289,940,904.06/400,118,512.98 = 159,560,712.06/x
  3. Step 3: Cross multiply
    289,940,904.06x = 400,118,512.98 × 159,560,712.06
  4. Step 4: Simplify right side
    289,940,904.06x = 63,843,194,839,477,160
  5. Step 5: Solve for x
    x = 63,843,194,839,477,160/289,940,904.06
  6. Step 6: Final answer
    x = 220,193,818.62

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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.