Home / 165,120,902.30-247,680,369.30-42,298,982.30

Finding the Fourth Proportional to 165,120,902.30, 247,680,369.30 and 42,298,982.30

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Solution

The fourth proportional to 165,120,902.30, 247,680,369.30 and 42,298,982.30 is: 63,448,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,120,902.30 : 247,680,369.30 = 42,298,982.30 : x
  2. Step 2: Convert to fraction form
    165,120,902.30/247,680,369.30 = 42,298,982.30/x
  3. Step 3: Cross multiply
    165,120,902.30x = 247,680,369.30 × 42,298,982.30
  4. Step 4: Simplify right side
    165,120,902.30x = 10,476,627,557,078,164
  5. Step 5: Solve for x
    x = 10,476,627,557,078,164/165,120,902.30
  6. Step 6: Final answer
    x = 63,448,221.34

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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.