Home / 211,514,274.74-316,529,147.72-169,912,927.18

Finding the Fourth Proportional to 211,514,274.74, 316,529,147.72 and 169,912,927.18

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Solution

The fourth proportional to 211,514,274.74, 316,529,147.72 and 169,912,927.18 is: 254,273,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,514,274.74 : 316,529,147.72 = 169,912,927.18 : x
  2. Step 2: Convert to fraction form
    211,514,274.74/316,529,147.72 = 169,912,927.18/x
  3. Step 3: Cross multiply
    211,514,274.74x = 316,529,147.72 × 169,912,927.18
  4. Step 4: Simplify right side
    211,514,274.74x = 53,782,394,025,934,208
  5. Step 5: Solve for x
    x = 53,782,394,025,934,208/211,514,274.74
  6. Step 6: Final answer
    x = 254,273,117.46

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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.