Home / 144,413,260.74-199,289,120.31-78,333,593.58

Finding the Fourth Proportional to 144,413,260.74, 199,289,120.31 and 78,333,593.58

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Solution

The fourth proportional to 144,413,260.74, 199,289,120.31 and 78,333,593.58 is: 108,099,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,413,260.74 : 199,289,120.31 = 78,333,593.58 : x
  2. Step 2: Convert to fraction form
    144,413,260.74/199,289,120.31 = 78,333,593.58/x
  3. Step 3: Cross multiply
    144,413,260.74x = 199,289,120.31 × 78,333,593.58
  4. Step 4: Simplify right side
    144,413,260.74x = 15,611,032,955,279,264
  5. Step 5: Solve for x
    x = 15,611,032,955,279,264/144,413,260.74
  6. Step 6: Final answer
    x = 108,099,719.34

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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.