Home / 305,910,706.76-422,156,836.07-166,681,468.52

Finding the Fourth Proportional to 305,910,706.76, 422,156,836.07 and 166,681,468.52

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Solution

The fourth proportional to 305,910,706.76, 422,156,836.07 and 166,681,468.52 is: 230,020,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,910,706.76 : 422,156,836.07 = 166,681,468.52 : x
  2. Step 2: Convert to fraction form
    305,910,706.76/422,156,836.07 = 166,681,468.52/x
  3. Step 3: Cross multiply
    305,910,706.76x = 422,156,836.07 × 166,681,468.52
  4. Step 4: Simplify right side
    305,910,706.76x = 70,365,721,378,960,304
  5. Step 5: Solve for x
    x = 70,365,721,378,960,304/305,910,706.76
  6. Step 6: Final answer
    x = 230,020,459.65

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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.