Home / 90,236,860.20-124,526,520.18-48,983,391.72

Finding the Fourth Proportional to 90,236,860.20, 124,526,520.18 and 48,983,391.72

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Solution

The fourth proportional to 90,236,860.20, 124,526,520.18 and 48,983,391.72 is: 67,596,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,236,860.20 : 124,526,520.18 = 48,983,391.72 : x
  2. Step 2: Convert to fraction form
    90,236,860.20/124,526,520.18 = 48,983,391.72/x
  3. Step 3: Cross multiply
    90,236,860.20x = 124,526,520.18 × 48,983,391.72
  4. Step 4: Simplify right side
    90,236,860.20x = 6,099,731,317,505,425
  5. Step 5: Solve for x
    x = 6,099,731,317,505,425/90,236,860.20
  6. Step 6: Final answer
    x = 67,596,892.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.