Home / 144,093,573.30-198,846,757.26-78,013,543.26

Finding the Fourth Proportional to 144,093,573.30, 198,846,757.26 and 78,013,543.26

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Solution

The fourth proportional to 144,093,573.30, 198,846,757.26 and 78,013,543.26 is: 107,657,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093,573.30 : 198,846,757.26 = 78,013,543.26 : x
  2. Step 2: Convert to fraction form
    144,093,573.30/198,846,757.26 = 78,013,543.26/x
  3. Step 3: Cross multiply
    144,093,573.30x = 198,846,757.26 × 78,013,543.26
  4. Step 4: Simplify right side
    144,093,573.30x = 15,512,740,099,613,730
  5. Step 5: Solve for x
    x = 15,512,740,099,613,730/144,093,573.30
  6. Step 6: Final answer
    x = 107,657,404.45

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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.