Home / 155,536,245.25-214,646,539.16-89,456,761.96

Finding the Fourth Proportional to 155,536,245.25, 214,646,539.16 and 89,456,761.96

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Solution

The fourth proportional to 155,536,245.25, 214,646,539.16 and 89,456,761.96 is: 123,454,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,536,245.25 : 214,646,539.16 = 89,456,761.96 : x
  2. Step 2: Convert to fraction form
    155,536,245.25/214,646,539.16 = 89,456,761.96/x
  3. Step 3: Cross multiply
    155,536,245.25x = 214,646,539.16 × 89,456,761.96
  4. Step 4: Simplify right side
    155,536,245.25x = 19,201,584,359,173,936
  5. Step 5: Solve for x
    x = 19,201,584,359,173,936/155,536,245.25
  6. Step 6: Final answer
    x = 123,454,081.90

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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.