Home / 140,293,640.85-193,597,414.93-77,566,112.32

Finding the Fourth Proportional to 140,293,640.85, 193,597,414.93 and 77,566,112.32

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Solution

The fourth proportional to 140,293,640.85, 193,597,414.93 and 77,566,112.32 is: 107,036,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,293,640.85 : 193,597,414.93 = 77,566,112.32 : x
  2. Step 2: Convert to fraction form
    140,293,640.85/193,597,414.93 = 77,566,112.32/x
  3. Step 3: Cross multiply
    140,293,640.85x = 193,597,414.93 × 77,566,112.32
  4. Step 4: Simplify right side
    140,293,640.85x = 15,016,598,831,322,024
  5. Step 5: Solve for x
    x = 15,016,598,831,322,024/140,293,640.85
  6. Step 6: Final answer
    x = 107,036,917.29

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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.