Home / 305,730,747.24-421,905,494.44-166,503,834.04

Finding the Fourth Proportional to 305,730,747.24, 421,905,494.44 and 166,503,834.04

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Solution

The fourth proportional to 305,730,747.24, 421,905,494.44 and 166,503,834.04 is: 229,773,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,730,747.24 : 421,905,494.44 = 166,503,834.04 : x
  2. Step 2: Convert to fraction form
    305,730,747.24/421,905,494.44 = 166,503,834.04/x
  3. Step 3: Cross multiply
    305,730,747.24x = 421,905,494.44 × 166,503,834.04
  4. Step 4: Simplify right side
    305,730,747.24x = 70,248,882,426,801,896
  5. Step 5: Solve for x
    x = 70,248,882,426,801,896/305,730,747.24
  6. Step 6: Final answer
    x = 229,773,691.59

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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.