Home / 87,408,042.60-131,112,063.90-47,097,258.60

Finding the Fourth Proportional to 87,408,042.60, 131,112,063.90 and 47,097,258.60

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Solution

The fourth proportional to 87,408,042.60, 131,112,063.90 and 47,097,258.60 is: 70,645,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408,042.60 : 131,112,063.90 = 47,097,258.60 : x
  2. Step 2: Convert to fraction form
    87,408,042.60/131,112,063.90 = 47,097,258.60/x
  3. Step 3: Cross multiply
    87,408,042.60x = 131,112,063.90 × 47,097,258.60
  4. Step 4: Simplify right side
    87,408,042.60x = 6,175,018,779,078,025
  5. Step 5: Solve for x
    x = 6,175,018,779,078,025/87,408,042.60
  6. Step 6: Final answer
    x = 70,645,887.90

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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.