Home / 140,646,368-194,043,414.52-88,439,376.48

Finding the Fourth Proportional to 140,646,368, 194,043,414.52 and 88,439,376.48

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Solution

The fourth proportional to 140,646,368, 194,043,414.52 and 88,439,376.48 is: 122,015,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,646,368 : 194,043,414.52 = 88,439,376.48 : x
  2. Step 2: Convert to fraction form
    140,646,368/194,043,414.52 = 88,439,376.48/x
  3. Step 3: Cross multiply
    140,646,368x = 194,043,414.52 × 88,439,376.48
  4. Step 4: Simplify right side
    140,646,368x = 17,161,078,590,198,980
  5. Step 5: Solve for x
    x = 17,161,078,590,198,980/140,646,368
  6. Step 6: Final answer
    x = 122,015,796.31

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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.