Home / 144,093,557.48-198,846,735.57-78,013,527.44

Finding the Fourth Proportional to 144,093,557.48, 198,846,735.57 and 78,013,527.44

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Solution

The fourth proportional to 144,093,557.48, 198,846,735.57 and 78,013,527.44 is: 107,657,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093,557.48 : 198,846,735.57 = 78,013,527.44 : x
  2. Step 2: Convert to fraction form
    144,093,557.48/198,846,735.57 = 78,013,527.44/x
  3. Step 3: Cross multiply
    144,093,557.48x = 198,846,735.57 × 78,013,527.44
  4. Step 4: Simplify right side
    144,093,557.48x = 15,512,735,260,750,386
  5. Step 5: Solve for x
    x = 15,512,735,260,750,386/144,093,557.48
  6. Step 6: Final answer
    x = 107,657,382.69

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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.