Home / 109,984,972.80-164,977,459.20-98,505,847.20

Finding the Fourth Proportional to 109,984,972.80, 164,977,459.20 and 98,505,847.20

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Solution

The fourth proportional to 109,984,972.80, 164,977,459.20 and 98,505,847.20 is: 147,758,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,984,972.80 : 164,977,459.20 = 98,505,847.20 : x
  2. Step 2: Convert to fraction form
    109,984,972.80/164,977,459.20 = 98,505,847.20/x
  3. Step 3: Cross multiply
    109,984,972.80x = 164,977,459.20 × 98,505,847.20
  4. Step 4: Simplify right side
    109,984,972.80x = 16,251,244,387,399,434
  5. Step 5: Solve for x
    x = 16,251,244,387,399,434/109,984,972.80
  6. Step 6: Final answer
    x = 147,758,770.80

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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.