Home / 353,375,998.60-530,063,997.90-137,965,246.60

Finding the Fourth Proportional to 353,375,998.60, 530,063,997.90 and 137,965,246.60

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Solution

The fourth proportional to 353,375,998.60, 530,063,997.90 and 137,965,246.60 is: 206,947,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,375,998.60 : 530,063,997.90 = 137,965,246.60 : x
  2. Step 2: Convert to fraction form
    353,375,998.60/530,063,997.90 = 137,965,246.60/x
  3. Step 3: Cross multiply
    353,375,998.60x = 530,063,997.90 × 137,965,246.60
  4. Step 4: Simplify right side
    353,375,998.60x = 73,130,410,184,055,376
  5. Step 5: Solve for x
    x = 73,130,410,184,055,376/353,375,998.60
  6. Step 6: Final answer
    x = 206,947,869.90

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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.