Home / 61,631,864.64-85,051,896.48-34,129,759.68

Finding the Fourth Proportional to 61,631,864.64, 85,051,896.48 and 34,129,759.68

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Solution

The fourth proportional to 61,631,864.64, 85,051,896.48 and 34,129,759.68 is: 47,099,025.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,631,864.64 : 85,051,896.48 = 34,129,759.68 : x
  2. Step 2: Convert to fraction form
    61,631,864.64/85,051,896.48 = 34,129,759.68/x
  3. Step 3: Cross multiply
    61,631,864.64x = 85,051,896.48 × 34,129,759.68
  4. Step 4: Simplify right side
    61,631,864.64x = 2,902,800,787,190,638
  5. Step 5: Solve for x
    x = 2,902,800,787,190,638/61,631,864.64
  6. Step 6: Final answer
    x = 47,099,025.87

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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.