Home / 155,173,396.29-214,148,845.08-85,558,561.89

Finding the Fourth Proportional to 155,173,396.29, 214,148,845.08 and 85,558,561.89

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Solution

The fourth proportional to 155,173,396.29, 214,148,845.08 and 85,558,561.89 is: 118,076,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,173,396.29 : 214,148,845.08 = 85,558,561.89 : x
  2. Step 2: Convert to fraction form
    155,173,396.29/214,148,845.08 = 85,558,561.89/x
  3. Step 3: Cross multiply
    155,173,396.29x = 214,148,845.08 × 85,558,561.89
  4. Step 4: Simplify right side
    155,173,396.29x = 18,322,267,215,449,204
  5. Step 5: Solve for x
    x = 18,322,267,215,449,204/155,173,396.29
  6. Step 6: Final answer
    x = 118,076,085.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.