Home / 144,873,709.80-217,310,564.70-87,336,364.20

Finding the Fourth Proportional to 144,873,709.80, 217,310,564.70 and 87,336,364.20

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Solution

The fourth proportional to 144,873,709.80, 217,310,564.70 and 87,336,364.20 is: 131,004,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,873,709.80 : 217,310,564.70 = 87,336,364.20 : x
  2. Step 2: Convert to fraction form
    144,873,709.80/217,310,564.70 = 87,336,364.20/x
  3. Step 3: Cross multiply
    144,873,709.80x = 217,310,564.70 × 87,336,364.20
  4. Step 4: Simplify right side
    144,873,709.80x = 18,979,114,623,146,864
  5. Step 5: Solve for x
    x = 18,979,114,623,146,864/144,873,709.80
  6. Step 6: Final answer
    x = 131,004,546.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.