Home / 206,864,512.10-310,296,768.15-91,726,835.30

Finding the Fourth Proportional to 206,864,512.10, 310,296,768.15 and 91,726,835.30

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Solution

The fourth proportional to 206,864,512.10, 310,296,768.15 and 91,726,835.30 is: 137,590,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864,512.10 : 310,296,768.15 = 91,726,835.30 : x
  2. Step 2: Convert to fraction form
    206,864,512.10/310,296,768.15 = 91,726,835.30/x
  3. Step 3: Cross multiply
    206,864,512.10x = 310,296,768.15 × 91,726,835.30
  4. Step 4: Simplify right side
    206,864,512.10x = 28,462,540,546,217,332
  5. Step 5: Solve for x
    x = 28,462,540,546,217,332/206,864,512.10
  6. Step 6: Final answer
    x = 137,590,252.95

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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.