Home / 228,682,375.38-315,580,990.95-124,260,765.30

Finding the Fourth Proportional to 228,682,375.38, 315,580,990.95 and 124,260,765.30

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Solution

The fourth proportional to 228,682,375.38, 315,580,990.95 and 124,260,765.30 is: 171,479,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,682,375.38 : 315,580,990.95 = 124,260,765.30 : x
  2. Step 2: Convert to fraction form
    228,682,375.38/315,580,990.95 = 124,260,765.30/x
  3. Step 3: Cross multiply
    228,682,375.38x = 315,580,990.95 × 124,260,765.30
  4. Step 4: Simplify right side
    228,682,375.38x = 39,214,335,449,579,368
  5. Step 5: Solve for x
    x = 39,214,335,449,579,368/228,682,375.38
  6. Step 6: Final answer
    x = 171,479,482.77

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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.