Home / 211,159,664.57-316,921,847.49-146,508,870.44

Finding the Fourth Proportional to 211,159,664.57, 316,921,847.49 and 146,508,870.44

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Solution

The fourth proportional to 211,159,664.57, 316,921,847.49 and 146,508,870.44 is: 219,889,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,159,664.57 : 316,921,847.49 = 146,508,870.44 : x
  2. Step 2: Convert to fraction form
    211,159,664.57/316,921,847.49 = 146,508,870.44/x
  3. Step 3: Cross multiply
    211,159,664.57x = 316,921,847.49 × 146,508,870.44
  4. Step 4: Simplify right side
    211,159,664.57x = 46,431,861,891,933,240
  5. Step 5: Solve for x
    x = 46,431,861,891,933,240/211,159,664.57
  6. Step 6: Final answer
    x = 219,889,825.96

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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.