Home / 284,296,050.18-392,331,144.78-166,823,337.78

Finding the Fourth Proportional to 284,296,050.18, 392,331,144.78 and 166,823,337.78

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Solution

The fourth proportional to 284,296,050.18, 392,331,144.78 and 166,823,337.78 is: 230,217,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,296,050.18 : 392,331,144.78 = 166,823,337.78 : x
  2. Step 2: Convert to fraction form
    284,296,050.18/392,331,144.78 = 166,823,337.78/x
  3. Step 3: Cross multiply
    284,296,050.18x = 392,331,144.78 × 166,823,337.78
  4. Step 4: Simplify right side
    284,296,050.18x = 65,449,991,087,248,016
  5. Step 5: Solve for x
    x = 65,449,991,087,248,016/284,296,050.18
  6. Step 6: Final answer
    x = 230,217,729.18

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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.