Home / 221,558,731.62-332,041,031.29-172,433,904.17

Finding the Fourth Proportional to 221,558,731.62, 332,041,031.29 and 172,433,904.17

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Solution

The fourth proportional to 221,558,731.62, 332,041,031.29 and 172,433,904.17 is: 258,419,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,558,731.62 : 332,041,031.29 = 172,433,904.17 : x
  2. Step 2: Convert to fraction form
    221,558,731.62/332,041,031.29 = 172,433,904.17/x
  3. Step 3: Cross multiply
    221,558,731.62x = 332,041,031.29 × 172,433,904.17
  4. Step 4: Simplify right side
    221,558,731.62x = 57,255,131,368,523,168
  5. Step 5: Solve for x
    x = 57,255,131,368,523,168/221,558,731.62
  6. Step 6: Final answer
    x = 258,419,656.72

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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.