Home / 215,344,991.20-323,017,486.80-124,645,727.20

Finding the Fourth Proportional to 215,344,991.20, 323,017,486.80 and 124,645,727.20

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Solution

The fourth proportional to 215,344,991.20, 323,017,486.80 and 124,645,727.20 is: 186,968,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,344,991.20 : 323,017,486.80 = 124,645,727.20 : x
  2. Step 2: Convert to fraction form
    215,344,991.20/323,017,486.80 = 124,645,727.20/x
  3. Step 3: Cross multiply
    215,344,991.20x = 323,017,486.80 × 124,645,727.20
  4. Step 4: Simplify right side
    215,344,991.20x = 40,262,749,540,502,400
  5. Step 5: Solve for x
    x = 40,262,749,540,502,400/215,344,991.20
  6. Step 6: Final answer
    x = 186,968,590.80

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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.