Home / 206,700,841.36-310,040,955.42-77,298,938.20

Finding the Fourth Proportional to 206,700,841.36, 310,040,955.42 and 77,298,938.20

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Solution

The fourth proportional to 206,700,841.36, 310,040,955.42 and 77,298,938.20 is: 115,944,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,700,841.36 : 310,040,955.42 = 77,298,938.20 : x
  2. Step 2: Convert to fraction form
    206,700,841.36/310,040,955.42 = 77,298,938.20/x
  3. Step 3: Cross multiply
    206,700,841.36x = 310,040,955.42 × 77,298,938.20
  4. Step 4: Simplify right side
    206,700,841.36x = 23,965,836,652,479,536
  5. Step 5: Solve for x
    x = 23,965,836,652,479,536/206,700,841.36
  6. Step 6: Final answer
    x = 115,944,552.98

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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.