Home / 144,850,388.58-199,890,764.64-79,660,292.58

Finding the Fourth Proportional to 144,850,388.58, 199,890,764.64 and 79,660,292.58

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Solution

The fourth proportional to 144,850,388.58, 199,890,764.64 and 79,660,292.58 is: 109,929,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,850,388.58 : 199,890,764.64 = 79,660,292.58 : x
  2. Step 2: Convert to fraction form
    144,850,388.58/199,890,764.64 = 79,660,292.58/x
  3. Step 3: Cross multiply
    144,850,388.58x = 199,890,764.64 × 79,660,292.58
  4. Step 4: Simplify right side
    144,850,388.58x = 15,923,356,795,262,316
  5. Step 5: Solve for x
    x = 15,923,356,795,262,316/144,850,388.58
  6. Step 6: Final answer
    x = 109,929,679.52

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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.