Home / 87,408,183.56-131,044,368.96-56,637,749.66

Finding the Fourth Proportional to 87,408,183.56, 131,044,368.96 and 56,637,749.66

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Solution

The fourth proportional to 87,408,183.56, 131,044,368.96 and 56,637,749.66 is: 84,912,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408,183.56 : 131,044,368.96 = 56,637,749.66 : x
  2. Step 2: Convert to fraction form
    87,408,183.56/131,044,368.96 = 56,637,749.66/x
  3. Step 3: Cross multiply
    87,408,183.56x = 131,044,368.96 × 56,637,749.66
  4. Step 4: Simplify right side
    87,408,183.56x = 7,422,058,162,853,932
  5. Step 5: Solve for x
    x = 7,422,058,162,853,932/87,408,183.56
  6. Step 6: Final answer
    x = 84,912,623.29

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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.