Home / 151,941,418.32-209,751,452.94-101,791,988.28

Finding the Fourth Proportional to 151,941,418.32, 209,751,452.94 and 101,791,988.28

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Solution

The fourth proportional to 151,941,418.32, 209,751,452.94 and 101,791,988.28 is: 140,521,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,941,418.32 : 209,751,452.94 = 101,791,988.28 : x
  2. Step 2: Convert to fraction form
    151,941,418.32/209,751,452.94 = 101,791,988.28/x
  3. Step 3: Cross multiply
    151,941,418.32x = 209,751,452.94 × 101,791,988.28
  4. Step 4: Simplify right side
    151,941,418.32x = 21,351,017,439,381,452
  5. Step 5: Solve for x
    x = 21,351,017,439,381,452/151,941,418.32
  6. Step 6: Final answer
    x = 140,521,377.75

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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.