Home / 171,090,279.42-256,532,930.70-54,455,254.80

Finding the Fourth Proportional to 171,090,279.42, 256,532,930.70 and 54,455,254.80

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Solution

The fourth proportional to 171,090,279.42, 256,532,930.70 and 54,455,254.80 is: 81,650,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,090,279.42 : 256,532,930.70 = 54,455,254.80 : x
  2. Step 2: Convert to fraction form
    171,090,279.42/256,532,930.70 = 54,455,254.80/x
  3. Step 3: Cross multiply
    171,090,279.42x = 256,532,930.70 × 54,455,254.80
  4. Step 4: Simplify right side
    171,090,279.42x = 13,969,566,105,859,240
  5. Step 5: Solve for x
    x = 13,969,566,105,859,240/171,090,279.42
  6. Step 6: Final answer
    x = 81,650,261.80

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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.