Home / 211,514,271.47-316,529,142.80-169,912,923.90

Finding the Fourth Proportional to 211,514,271.47, 316,529,142.80 and 169,912,923.90

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Solution

The fourth proportional to 211,514,271.47, 316,529,142.80 and 169,912,923.90 is: 254,273,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,514,271.47 : 316,529,142.80 = 169,912,923.90 : x
  2. Step 2: Convert to fraction form
    211,514,271.47/316,529,142.80 = 169,912,923.90/x
  3. Step 3: Cross multiply
    211,514,271.47x = 316,529,142.80 × 169,912,923.90
  4. Step 4: Simplify right side
    211,514,271.47x = 53,782,392,153,133,416
  5. Step 5: Solve for x
    x = 53,782,392,153,133,416/211,514,271.47
  6. Step 6: Final answer
    x = 254,273,112.55

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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.