Home / 213,144,056.51-319,727,375.85-65,692,891.93

Finding the Fourth Proportional to 213,144,056.51, 319,727,375.85 and 65,692,891.93

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Solution

The fourth proportional to 213,144,056.51, 319,727,375.85 and 65,692,891.93 is: 98,542,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,144,056.51 : 319,727,375.85 = 65,692,891.93 : x
  2. Step 2: Convert to fraction form
    213,144,056.51/319,727,375.85 = 65,692,891.93/x
  3. Step 3: Cross multiply
    213,144,056.51x = 319,727,375.85 × 65,692,891.93
  4. Step 4: Simplify right side
    213,144,056.51x = 21,003,815,947,730,876
  5. Step 5: Solve for x
    x = 21,003,815,947,730,876/213,144,056.51
  6. Step 6: Final answer
    x = 98,542,817.91

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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.