Home / 129,351,005.06-194,057,090.36-41,912,377.64

Finding the Fourth Proportional to 129,351,005.06, 194,057,090.36 and 41,912,377.64

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Solution

The fourth proportional to 129,351,005.06, 194,057,090.36 and 41,912,377.64 is: 62,878,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,351,005.06 : 194,057,090.36 = 41,912,377.64 : x
  2. Step 2: Convert to fraction form
    129,351,005.06/194,057,090.36 = 41,912,377.64/x
  3. Step 3: Cross multiply
    129,351,005.06x = 194,057,090.36 × 41,912,377.64
  4. Step 4: Simplify right side
    129,351,005.06x = 8,133,394,053,708,075
  5. Step 5: Solve for x
    x = 8,133,394,053,708,075/129,351,005.06
  6. Step 6: Final answer
    x = 62,878,475.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.