Home / 303,220,219.92-418,443,904.14-163,990,981.66

Finding the Fourth Proportional to 303,220,219.92, 418,443,904.14 and 163,990,981.66

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Solution

The fourth proportional to 303,220,219.92, 418,443,904.14 and 163,990,981.66 is: 226,307,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,220,219.92 : 418,443,904.14 = 163,990,981.66 : x
  2. Step 2: Convert to fraction form
    303,220,219.92/418,443,904.14 = 163,990,981.66/x
  3. Step 3: Cross multiply
    303,220,219.92x = 418,443,904.14 × 163,990,981.66
  4. Step 4: Simplify right side
    303,220,219.92x = 68,621,026,609,561,536
  5. Step 5: Solve for x
    x = 68,621,026,609,561,536/303,220,219.92
  6. Step 6: Final answer
    x = 226,307,555.04

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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.