Home / 53,310,067.16-79,965,100.73-12,920,551.16

Finding the Fourth Proportional to 53,310,067.16, 79,965,100.73 and 12,920,551.16

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Solution

The fourth proportional to 53,310,067.16, 79,965,100.73 and 12,920,551.16 is: 19,380,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310,067.16 : 79,965,100.73 = 12,920,551.16 : x
  2. Step 2: Convert to fraction form
    53,310,067.16/79,965,100.73 = 12,920,551.16/x
  3. Step 3: Cross multiply
    53,310,067.16x = 79,965,100.73 × 12,920,551.16
  4. Step 4: Simplify right side
    53,310,067.16x = 1,033,193,174,628,994.25
  5. Step 5: Solve for x
    x = 1,033,193,174,628,994.25/53,310,067.16
  6. Step 6: Final answer
    x = 19,380,826.73

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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.