Home / 86,321,381.46-119,122,116.21-47,162,317.38

Finding the Fourth Proportional to 86,321,381.46, 119,122,116.21 and 47,162,317.38

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Solution

The fourth proportional to 86,321,381.46, 119,122,116.21 and 47,162,317.38 is: 65,083,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,321,381.46 : 119,122,116.21 = 47,162,317.38 : x
  2. Step 2: Convert to fraction form
    86,321,381.46/119,122,116.21 = 47,162,317.38/x
  3. Step 3: Cross multiply
    86,321,381.46x = 119,122,116.21 × 47,162,317.38
  4. Step 4: Simplify right side
    86,321,381.46x = 5,618,075,051,673,263
  5. Step 5: Solve for x
    x = 5,618,075,051,673,263/86,321,381.46
  6. Step 6: Final answer
    x = 65,083,238.44

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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.