Home / 280,160,924.68-419,907,045.90-130,393,854.76

Finding the Fourth Proportional to 280,160,924.68, 419,907,045.90 and 130,393,854.76

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Solution

The fourth proportional to 280,160,924.68, 419,907,045.90 and 130,393,854.76 is: 195,435,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,160,924.68 : 419,907,045.90 = 130,393,854.76 : x
  2. Step 2: Convert to fraction form
    280,160,924.68/419,907,045.90 = 130,393,854.76/x
  3. Step 3: Cross multiply
    280,160,924.68x = 419,907,045.90 × 130,393,854.76
  4. Step 4: Simplify right side
    280,160,924.68x = 54,753,298,355,785,256
  5. Step 5: Solve for x
    x = 54,753,298,355,785,256/280,160,924.68
  6. Step 6: Final answer
    x = 195,435,171.48

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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.