Home / 215,596,713.82-323,265,784.23-98,865,837.20

Finding the Fourth Proportional to 215,596,713.82, 323,265,784.23 and 98,865,837.20

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Solution

The fourth proportional to 215,596,713.82, 323,265,784.23 and 98,865,837.20 is: 148,239,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,596,713.82 : 323,265,784.23 = 98,865,837.20 : x
  2. Step 2: Convert to fraction form
    215,596,713.82/323,265,784.23 = 98,865,837.20/x
  3. Step 3: Cross multiply
    215,596,713.82x = 323,265,784.23 × 98,865,837.20
  4. Step 4: Simplify right side
    215,596,713.82x = 31,959,942,396,013,512
  5. Step 5: Solve for x
    x = 31,959,942,396,013,512/215,596,713.82
  6. Step 6: Final answer
    x = 148,239,469.10

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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.