Home / 85,026,207.42-127,559,548.89-27,518,478.78

Finding the Fourth Proportional to 85,026,207.42, 127,559,548.89 and 27,518,478.78

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Solution

The fourth proportional to 85,026,207.42, 127,559,548.89 and 27,518,478.78 is: 41,284,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,026,207.42 : 127,559,548.89 = 27,518,478.78 : x
  2. Step 2: Convert to fraction form
    85,026,207.42/127,559,548.89 = 27,518,478.78/x
  3. Step 3: Cross multiply
    85,026,207.42x = 127,559,548.89 × 27,518,478.78
  4. Step 4: Simplify right side
    85,026,207.42x = 3,510,244,739,315,837.50
  5. Step 5: Solve for x
    x = 3,510,244,739,315,837.50/85,026,207.42
  6. Step 6: Final answer
    x = 41,284,268.06

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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.