Home / 51,071,009.40-76,600,855.22-18,280,268.64

Finding the Fourth Proportional to 51,071,009.40, 76,600,855.22 and 18,280,268.64

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Solution

The fourth proportional to 51,071,009.40, 76,600,855.22 and 18,280,268.64 is: 27,418,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071,009.40 : 76,600,855.22 = 18,280,268.64 : x
  2. Step 2: Convert to fraction form
    51,071,009.40/76,600,855.22 = 18,280,268.64/x
  3. Step 3: Cross multiply
    51,071,009.40x = 76,600,855.22 × 18,280,268.64
  4. Step 4: Simplify right side
    51,071,009.40x = 1,400,284,211,475,346.25
  5. Step 5: Solve for x
    x = 1,400,284,211,475,346.25/51,071,009.40
  6. Step 6: Final answer
    x = 27,418,377.43

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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.