Home / 269,063,345.70-403,595,018.55-87,310,523.70

Finding the Fourth Proportional to 269,063,345.70, 403,595,018.55 and 87,310,523.70

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Solution

The fourth proportional to 269,063,345.70, 403,595,018.55 and 87,310,523.70 is: 130,965,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,063,345.70 : 403,595,018.55 = 87,310,523.70 : x
  2. Step 2: Convert to fraction form
    269,063,345.70/403,595,018.55 = 87,310,523.70/x
  3. Step 3: Cross multiply
    269,063,345.70x = 403,595,018.55 × 87,310,523.70
  4. Step 4: Simplify right side
    269,063,345.70x = 35,238,092,432,311,716
  5. Step 5: Solve for x
    x = 35,238,092,432,311,716/269,063,345.70
  6. Step 6: Final answer
    x = 130,965,785.55

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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.