Home / 85,155,981.33-117,515,236.07-45,997,758.48

Finding the Fourth Proportional to 85,155,981.33, 117,515,236.07 and 45,997,758.48

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Solution

The fourth proportional to 85,155,981.33, 117,515,236.07 and 45,997,758.48 is: 63,476,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,155,981.33 : 117,515,236.07 = 45,997,758.48 : x
  2. Step 2: Convert to fraction form
    85,155,981.33/117,515,236.07 = 45,997,758.48/x
  3. Step 3: Cross multiply
    85,155,981.33x = 117,515,236.07 × 45,997,758.48
  4. Step 4: Simplify right side
    85,155,981.33x = 5,405,437,446,468,044
  5. Step 5: Solve for x
    x = 5,405,437,446,468,044/85,155,981.33
  6. Step 6: Final answer
    x = 63,476,896.89

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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.