Home / 165,125,619.60-247,952,813.40-131,328,013.20

Finding the Fourth Proportional to 165,125,619.60, 247,952,813.40 and 131,328,013.20

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Solution

The fourth proportional to 165,125,619.60, 247,952,813.40 and 131,328,013.20 is: 197,202,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,125,619.60 : 247,952,813.40 = 131,328,013.20 : x
  2. Step 2: Convert to fraction form
    165,125,619.60/247,952,813.40 = 131,328,013.20/x
  3. Step 3: Cross multiply
    165,125,619.60x = 247,952,813.40 × 131,328,013.20
  4. Step 4: Simplify right side
    165,125,619.60x = 32,563,150,351,172,340
  5. Step 5: Solve for x
    x = 32,563,150,351,172,340/165,125,619.60
  6. Step 6: Final answer
    x = 197,202,290.17

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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.