Home / 81,015,190.92-121,533,464.34-26,408,644.02

Finding the Fourth Proportional to 81,015,190.92, 121,533,464.34 and 26,408,644.02

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Solution

The fourth proportional to 81,015,190.92, 121,533,464.34 and 26,408,644.02 is: 39,616,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,015,190.92 : 121,533,464.34 = 26,408,644.02 : x
  2. Step 2: Convert to fraction form
    81,015,190.92/121,533,464.34 = 26,408,644.02/x
  3. Step 3: Cross multiply
    81,015,190.92x = 121,533,464.34 × 26,408,644.02
  4. Step 4: Simplify right side
    81,015,190.92x = 3,209,533,996,272,424.50
  5. Step 5: Solve for x
    x = 3,209,533,996,272,424.50/81,015,190.92
  6. Step 6: Final answer
    x = 39,616,446.74

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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.