Home / 211,514,270.72-316,529,141.68-169,912,923.15

Finding the Fourth Proportional to 211,514,270.72, 316,529,141.68 and 169,912,923.15

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Solution

The fourth proportional to 211,514,270.72, 316,529,141.68 and 169,912,923.15 is: 254,273,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,514,270.72 : 316,529,141.68 = 169,912,923.15 : x
  2. Step 2: Convert to fraction form
    211,514,270.72/316,529,141.68 = 169,912,923.15/x
  3. Step 3: Cross multiply
    211,514,270.72x = 316,529,141.68 × 169,912,923.15
  4. Step 4: Simplify right side
    211,514,270.72x = 53,782,391,724,584,520
  5. Step 5: Solve for x
    x = 53,782,391,724,584,520/211,514,270.72
  6. Step 6: Final answer
    x = 254,273,111.42

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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.