Home / 144,293,217.38-199,119,303.33-78,212,296.85

Finding the Fourth Proportional to 144,293,217.38, 199,119,303.33 and 78,212,296.85

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Solution

The fourth proportional to 144,293,217.38, 199,119,303.33 and 78,212,296.85 is: 107,930,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,293,217.38 : 199,119,303.33 = 78,212,296.85 : x
  2. Step 2: Convert to fraction form
    144,293,217.38/199,119,303.33 = 78,212,296.85/x
  3. Step 3: Cross multiply
    144,293,217.38x = 199,119,303.33 × 78,212,296.85
  4. Step 4: Simplify right side
    144,293,217.38x = 15,573,578,059,615,558
  5. Step 5: Solve for x
    x = 15,573,578,059,615,558/144,293,217.38
  6. Step 6: Final answer
    x = 107,930,076.98

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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.