Home / 144,093,574.80-198,846,759.33-78,013,544.76

Finding the Fourth Proportional to 144,093,574.80, 198,846,759.33 and 78,013,544.76

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Solution

The fourth proportional to 144,093,574.80, 198,846,759.33 and 78,013,544.76 is: 107,657,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093,574.80 : 198,846,759.33 = 78,013,544.76 : x
  2. Step 2: Convert to fraction form
    144,093,574.80/198,846,759.33 = 78,013,544.76/x
  3. Step 3: Cross multiply
    144,093,574.80x = 198,846,759.33 × 78,013,544.76
  4. Step 4: Simplify right side
    144,093,574.80x = 15,512,740,559,371,904
  5. Step 5: Solve for x
    x = 15,512,740,559,371,904/144,093,574.80
  6. Step 6: Final answer
    x = 107,657,406.52

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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.