Home / 211,159,666.44-316,921,850.28-146,508,872.31

Finding the Fourth Proportional to 211,159,666.44, 316,921,850.28 and 146,508,872.31

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Solution

The fourth proportional to 211,159,666.44, 316,921,850.28 and 146,508,872.31 is: 219,889,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,159,666.44 : 316,921,850.28 = 146,508,872.31 : x
  2. Step 2: Convert to fraction form
    211,159,666.44/316,921,850.28 = 146,508,872.31/x
  3. Step 3: Cross multiply
    211,159,666.44x = 316,921,850.28 × 146,508,872.31
  4. Step 4: Simplify right side
    211,159,666.44x = 46,431,862,894,921,456
  5. Step 5: Solve for x
    x = 46,431,862,894,921,456/211,159,666.44
  6. Step 6: Final answer
    x = 219,889,828.76

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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.