Home / 140,270,174.96-193,581,435.48-78,395,454.32

Finding the Fourth Proportional to 140,270,174.96, 193,581,435.48 and 78,395,454.32

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Solution

The fourth proportional to 140,270,174.96, 193,581,435.48 and 78,395,454.32 is: 108,190,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,270,174.96 : 193,581,435.48 = 78,395,454.32 : x
  2. Step 2: Convert to fraction form
    140,270,174.96/193,581,435.48 = 78,395,454.32/x
  3. Step 3: Cross multiply
    140,270,174.96x = 193,581,435.48 × 78,395,454.32
  4. Step 4: Simplify right side
    140,270,174.96x = 15,175,904,582,372,366
  5. Step 5: Solve for x
    x = 15,175,904,582,372,366/140,270,174.96
  6. Step 6: Final answer
    x = 108,190,530.07

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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.