Home / 140,110,587.54-193,364,562.39-78,242,878.26

Finding the Fourth Proportional to 140,110,587.54, 193,364,562.39 and 78,242,878.26

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Solution

The fourth proportional to 140,110,587.54, 193,364,562.39 and 78,242,878.26 is: 107,981,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,110,587.54 : 193,364,562.39 = 78,242,878.26 : x
  2. Step 2: Convert to fraction form
    140,110,587.54/193,364,562.39 = 78,242,878.26/x
  3. Step 3: Cross multiply
    140,110,587.54x = 193,364,562.39 × 78,242,878.26
  4. Step 4: Simplify right side
    140,110,587.54x = 15,129,399,914,878,944
  5. Step 5: Solve for x
    x = 15,129,399,914,878,944/140,110,587.54
  6. Step 6: Final answer
    x = 107,981,846.20

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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.