Home / 144,965,211.36-200,049,404.40-78,883,455.84

Finding the Fourth Proportional to 144,965,211.36, 200,049,404.40 and 78,883,455.84

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Solution

The fourth proportional to 144,965,211.36, 200,049,404.40 and 78,883,455.84 is: 108,857,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,965,211.36 : 200,049,404.40 = 78,883,455.84 : x
  2. Step 2: Convert to fraction form
    144,965,211.36/200,049,404.40 = 78,883,455.84/x
  3. Step 3: Cross multiply
    144,965,211.36x = 200,049,404.40 × 78,883,455.84
  4. Step 4: Simplify right side
    144,965,211.36x = 15,780,588,357,805,702
  5. Step 5: Solve for x
    x = 15,780,588,357,805,702/144,965,211.36
  6. Step 6: Final answer
    x = 108,857,761.18

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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.