Home / 69,521,021.40-104,318,856.90-29,135,587.80

Finding the Fourth Proportional to 69,521,021.40, 104,318,856.90 and 29,135,587.80

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Solution

The fourth proportional to 69,521,021.40, 104,318,856.90 and 29,135,587.80 is: 43,719,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,521,021.40 : 104,318,856.90 = 29,135,587.80 : x
  2. Step 2: Convert to fraction form
    69,521,021.40/104,318,856.90 = 29,135,587.80/x
  3. Step 3: Cross multiply
    69,521,021.40x = 104,318,856.90 × 29,135,587.80
  4. Step 4: Simplify right side
    69,521,021.40x = 3,039,391,214,405,586
  5. Step 5: Solve for x
    x = 3,039,391,214,405,586/69,521,021.40
  6. Step 6: Final answer
    x = 43,719,024.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.