Home / 86,777,535.12-119,754,827.54-47,618,969.36

Finding the Fourth Proportional to 86,777,535.12, 119,754,827.54 and 47,618,969.36

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Solution

The fourth proportional to 86,777,535.12, 119,754,827.54 and 47,618,969.36 is: 65,715,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,777,535.12 : 119,754,827.54 = 47,618,969.36 : x
  2. Step 2: Convert to fraction form
    86,777,535.12/119,754,827.54 = 47,618,969.36/x
  3. Step 3: Cross multiply
    86,777,535.12x = 119,754,827.54 × 47,618,969.36
  4. Step 4: Simplify right side
    86,777,535.12x = 5,702,601,463,339,344
  5. Step 5: Solve for x
    x = 5,702,601,463,339,344/86,777,535.12
  6. Step 6: Final answer
    x = 65,715,181.42

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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.