Home / 155,626,435.76-214,790,607.96-105,367,863.44

Finding the Fourth Proportional to 155,626,435.76, 214,790,607.96 and 105,367,863.44

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Solution

The fourth proportional to 155,626,435.76, 214,790,607.96 and 105,367,863.44 is: 145,425,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,626,435.76 : 214,790,607.96 = 105,367,863.44 : x
  2. Step 2: Convert to fraction form
    155,626,435.76/214,790,607.96 = 105,367,863.44/x
  3. Step 3: Cross multiply
    155,626,435.76x = 214,790,607.96 × 105,367,863.44
  4. Step 4: Simplify right side
    155,626,435.76x = 22,632,027,447,723,856
  5. Step 5: Solve for x
    x = 22,632,027,447,723,856/155,626,435.76
  6. Step 6: Final answer
    x = 145,425,340.73

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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.