Home / 144,293,229.44-199,119,320-78,212,308.88

Finding the Fourth Proportional to 144,293,229.44, 199,119,320 and 78,212,308.88

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Solution

The fourth proportional to 144,293,229.44, 199,119,320 and 78,212,308.88 is: 107,930,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,293,229.44 : 199,119,320 = 78,212,308.88 : x
  2. Step 2: Convert to fraction form
    144,293,229.44/199,119,320 = 78,212,308.88/x
  3. Step 3: Cross multiply
    144,293,229.44x = 199,119,320 × 78,212,308.88
  4. Step 4: Simplify right side
    144,293,229.44x = 15,573,581,759,815,560
  5. Step 5: Solve for x
    x = 15,573,581,759,815,560/144,293,229.44
  6. Step 6: Final answer
    x = 107,930,093.60

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1.5x scale

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.