Home / 87,408,111.40-131,112,167.10-53,395,887.40

Finding the Fourth Proportional to 87,408,111.40, 131,112,167.10 and 53,395,887.40

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Solution

The fourth proportional to 87,408,111.40, 131,112,167.10 and 53,395,887.40 is: 80,093,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408,111.40 : 131,112,167.10 = 53,395,887.40 : x
  2. Step 2: Convert to fraction form
    87,408,111.40/131,112,167.10 = 53,395,887.40/x
  3. Step 3: Cross multiply
    87,408,111.40x = 131,112,167.10 × 53,395,887.40
  4. Step 4: Simplify right side
    87,408,111.40x = 7,000,850,511,241,584
  5. Step 5: Solve for x
    x = 7,000,850,511,241,584/87,408,111.40
  6. Step 6: Final answer
    x = 80,093,831.10

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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.