Home / 211,514,271.22-316,529,142.43-169,912,923.65

Finding the Fourth Proportional to 211,514,271.22, 316,529,142.43 and 169,912,923.65

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Solution

The fourth proportional to 211,514,271.22, 316,529,142.43 and 169,912,923.65 is: 254,273,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,514,271.22 : 316,529,142.43 = 169,912,923.65 : x
  2. Step 2: Convert to fraction form
    211,514,271.22/316,529,142.43 = 169,912,923.65/x
  3. Step 3: Cross multiply
    211,514,271.22x = 316,529,142.43 × 169,912,923.65
  4. Step 4: Simplify right side
    211,514,271.22x = 53,782,392,009,859,008
  5. Step 5: Solve for x
    x = 53,782,392,009,859,008/211,514,271.22
  6. Step 6: Final answer
    x = 254,273,112.17

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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.