Home / 90,992,408.20-136,488,612.30-50,602,892.20

Finding the Fourth Proportional to 90,992,408.20, 136,488,612.30 and 50,602,892.20

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Solution

The fourth proportional to 90,992,408.20, 136,488,612.30 and 50,602,892.20 is: 75,904,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992,408.20 : 136,488,612.30 = 50,602,892.20 : x
  2. Step 2: Convert to fraction form
    90,992,408.20/136,488,612.30 = 50,602,892.20/x
  3. Step 3: Cross multiply
    90,992,408.20x = 136,488,612.30 × 50,602,892.20
  4. Step 4: Simplify right side
    90,992,408.20x = 6,906,718,534,744,495
  5. Step 5: Solve for x
    x = 6,906,718,534,744,495/90,992,408.20
  6. Step 6: Final answer
    x = 75,904,338.30

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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.