Home / 136,442,156.15-188,290,175.94-77,710,286.34

Finding the Fourth Proportional to 136,442,156.15, 188,290,175.94 and 77,710,286.34

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Solution

The fourth proportional to 136,442,156.15, 188,290,175.94 and 77,710,286.34 is: 107,240,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,442,156.15 : 188,290,175.94 = 77,710,286.34 : x
  2. Step 2: Convert to fraction form
    136,442,156.15/188,290,175.94 = 77,710,286.34/x
  3. Step 3: Cross multiply
    136,442,156.15x = 188,290,175.94 × 77,710,286.34
  4. Step 4: Simplify right side
    136,442,156.15x = 14,632,083,487,306,380
  5. Step 5: Solve for x
    x = 14,632,083,487,306,380/136,442,156.15
  6. Step 6: Final answer
    x = 107,240,195.41

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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.