Home / 80,904,009.60-121,356,014.40-27,051,321.60

Finding the Fourth Proportional to 80,904,009.60, 121,356,014.40 and 27,051,321.60

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Solution

The fourth proportional to 80,904,009.60, 121,356,014.40 and 27,051,321.60 is: 40,576,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,904,009.60 : 121,356,014.40 = 27,051,321.60 : x
  2. Step 2: Convert to fraction form
    80,904,009.60/121,356,014.40 = 27,051,321.60/x
  3. Step 3: Cross multiply
    80,904,009.60x = 121,356,014.40 × 27,051,321.60
  4. Step 4: Simplify right side
    80,904,009.60x = 3,282,840,573,628,631.50
  5. Step 5: Solve for x
    x = 3,282,840,573,628,631.50/80,904,009.60
  6. Step 6: Final answer
    x = 40,576,982.40

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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.