Home / 90,992,500.20-136,488,750.30-26,298,415.80

Finding the Fourth Proportional to 90,992,500.20, 136,488,750.30 and 26,298,415.80

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Solution

The fourth proportional to 90,992,500.20, 136,488,750.30 and 26,298,415.80 is: 39,447,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992,500.20 : 136,488,750.30 = 26,298,415.80 : x
  2. Step 2: Convert to fraction form
    90,992,500.20/136,488,750.30 = 26,298,415.80/x
  3. Step 3: Cross multiply
    90,992,500.20x = 136,488,750.30 × 26,298,415.80
  4. Step 4: Simplify right side
    90,992,500.20x = 3,589,437,907,411,775
  5. Step 5: Solve for x
    x = 3,589,437,907,411,775/90,992,500.20
  6. Step 6: Final answer
    x = 39,447,623.70

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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.