Home / 87,623,130.29-131,212,217.90-52,586,190.07

Finding the Fourth Proportional to 87,623,130.29, 131,212,217.90 and 52,586,190.07

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Solution

The fourth proportional to 87,623,130.29, 131,212,217.90 and 52,586,190.07 is: 78,745,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,623,130.29 : 131,212,217.90 = 52,586,190.07 : x
  2. Step 2: Convert to fraction form
    87,623,130.29/131,212,217.90 = 52,586,190.07/x
  3. Step 3: Cross multiply
    87,623,130.29x = 131,212,217.90 × 52,586,190.07
  4. Step 4: Simplify right side
    87,623,130.29x = 6,899,950,629,799,092
  5. Step 5: Solve for x
    x = 6,899,950,629,799,092/87,623,130.29
  6. Step 6: Final answer
    x = 78,745,767.33

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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.