Home / 215,596,012.20-323,408,015.10-113,559,340.20

Finding the Fourth Proportional to 215,596,012.20, 323,408,015.10 and 113,559,340.20

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Solution

The fourth proportional to 215,596,012.20, 323,408,015.10 and 113,559,340.20 is: 170,346,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,596,012.20 : 323,408,015.10 = 113,559,340.20 : x
  2. Step 2: Convert to fraction form
    215,596,012.20/323,408,015.10 = 113,559,340.20/x
  3. Step 3: Cross multiply
    215,596,012.20x = 323,408,015.10 × 113,559,340.20
  4. Step 4: Simplify right side
    215,596,012.20x = 36,726,000,810,147,640
  5. Step 5: Solve for x
    x = 36,726,000,810,147,640/215,596,012.20
  6. Step 6: Final answer
    x = 170,346,382.73

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1.5x scale

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.