Home / 140,878,343.88-194,439,997.80-91,380,060.36

Finding the Fourth Proportional to 140,878,343.88, 194,439,997.80 and 91,380,060.36

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Solution

The fourth proportional to 140,878,343.88, 194,439,997.80 and 91,380,060.36 is: 126,122,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,878,343.88 : 194,439,997.80 = 91,380,060.36 : x
  2. Step 2: Convert to fraction form
    140,878,343.88/194,439,997.80 = 91,380,060.36/x
  3. Step 3: Cross multiply
    140,878,343.88x = 194,439,997.80 × 91,380,060.36
  4. Step 4: Simplify right side
    140,878,343.88x = 17,767,938,735,362,268
  5. Step 5: Solve for x
    x = 17,767,938,735,362,268/140,878,343.88
  6. Step 6: Final answer
    x = 126,122,569.63

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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.