Home / 85,672,077.72-128,505,664.08-24,261,091.19

Finding the Fourth Proportional to 85,672,077.72, 128,505,664.08 and 24,261,091.19

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Solution

The fourth proportional to 85,672,077.72, 128,505,664.08 and 24,261,091.19 is: 36,390,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,672,077.72 : 128,505,664.08 = 24,261,091.19 : x
  2. Step 2: Convert to fraction form
    85,672,077.72/128,505,664.08 = 24,261,091.19/x
  3. Step 3: Cross multiply
    85,672,077.72x = 128,505,664.08 × 24,261,091.19
  4. Step 4: Simplify right side
    85,672,077.72x = 3,117,687,635,238,600
  5. Step 5: Solve for x
    x = 3,117,687,635,238,600/85,672,077.72
  6. Step 6: Final answer
    x = 36,390,942.28

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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.