Home / 211,514,278.40-316,529,153.20-169,912,930.83

Finding the Fourth Proportional to 211,514,278.40, 316,529,153.20 and 169,912,930.83

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Solution

The fourth proportional to 211,514,278.40, 316,529,153.20 and 169,912,930.83 is: 254,273,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,514,278.40 : 316,529,153.20 = 169,912,930.83 : x
  2. Step 2: Convert to fraction form
    211,514,278.40/316,529,153.20 = 169,912,930.83/x
  3. Step 3: Cross multiply
    211,514,278.40x = 316,529,153.20 × 169,912,930.83
  4. Step 4: Simplify right side
    211,514,278.40x = 53,782,396,112,375,480
  5. Step 5: Solve for x
    x = 53,782,396,112,375,480/211,514,278.40
  6. Step 6: Final answer
    x = 254,273,122.93

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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.