Home / 81,287,870.99-121,904,473.07-29,461,624.83

Finding the Fourth Proportional to 81,287,870.99, 121,904,473.07 and 29,461,624.83

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Solution

The fourth proportional to 81,287,870.99, 121,904,473.07 and 29,461,624.83 is: 44,182,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,287,870.99 : 121,904,473.07 = 29,461,624.83 : x
  2. Step 2: Convert to fraction form
    81,287,870.99/121,904,473.07 = 29,461,624.83/x
  3. Step 3: Cross multiply
    81,287,870.99x = 121,904,473.07 × 29,461,624.83
  4. Step 4: Simplify right side
    81,287,870.99x = 3,591,503,850,760,832.50
  5. Step 5: Solve for x
    x = 3,591,503,850,760,832.50/81,287,870.99
  6. Step 6: Final answer
    x = 44,182,530.64

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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.