Home / 86,551,525.89-119,439,982.49-49,380,846.21

Finding the Fourth Proportional to 86,551,525.89, 119,439,982.49 and 49,380,846.21

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Solution

The fourth proportional to 86,551,525.89, 119,439,982.49 and 49,380,846.21 is: 68,144,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551,525.89 : 119,439,982.49 = 49,380,846.21 : x
  2. Step 2: Convert to fraction form
    86,551,525.89/119,439,982.49 = 49,380,846.21/x
  3. Step 3: Cross multiply
    86,551,525.89x = 119,439,982.49 × 49,380,846.21
  4. Step 4: Simplify right side
    86,551,525.89x = 5,898,047,406,416,879
  5. Step 5: Solve for x
    x = 5,898,047,406,416,879/86,551,525.89
  6. Step 6: Final answer
    x = 68,144,926.92

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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.