Home / 87,421,403.20-131,109,256.08-25,994,018.72

Finding the Fourth Proportional to 87,421,403.20, 131,109,256.08 and 25,994,018.72

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Solution

The fourth proportional to 87,421,403.20, 131,109,256.08 and 25,994,018.72 is: 38,984,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,421,403.20 : 131,109,256.08 = 25,994,018.72 : x
  2. Step 2: Convert to fraction form
    87,421,403.20/131,109,256.08 = 25,994,018.72/x
  3. Step 3: Cross multiply
    87,421,403.20x = 131,109,256.08 × 25,994,018.72
  4. Step 4: Simplify right side
    87,421,403.20x = 3,408,056,456,908,793.50
  5. Step 5: Solve for x
    x = 3,408,056,456,908,793.50/87,421,403.20
  6. Step 6: Final answer
    x = 38,984,234.21

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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.