Home / 144,413,261.74-199,289,121.69-78,333,594.58

Finding the Fourth Proportional to 144,413,261.74, 199,289,121.69 and 78,333,594.58

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Solution

The fourth proportional to 144,413,261.74, 199,289,121.69 and 78,333,594.58 is: 108,099,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,413,261.74 : 199,289,121.69 = 78,333,594.58 : x
  2. Step 2: Convert to fraction form
    144,413,261.74/199,289,121.69 = 78,333,594.58/x
  3. Step 3: Cross multiply
    144,413,261.74x = 199,289,121.69 × 78,333,594.58
  4. Step 4: Simplify right side
    144,413,261.74x = 15,611,033,262,668,744
  5. Step 5: Solve for x
    x = 15,611,033,262,668,744/144,413,261.74
  6. Step 6: Final answer
    x = 108,099,720.72

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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.