Home / 66,422,041.20-99,647,058.60-28,063,810.80

Finding the Fourth Proportional to 66,422,041.20, 99,647,058.60 and 28,063,810.80

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Solution

The fourth proportional to 66,422,041.20, 99,647,058.60 and 28,063,810.80 is: 42,101,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,422,041.20 : 99,647,058.60 = 28,063,810.80 : x
  2. Step 2: Convert to fraction form
    66,422,041.20/99,647,058.60 = 28,063,810.80/x
  3. Step 3: Cross multiply
    66,422,041.20x = 99,647,058.60 × 28,063,810.80
  4. Step 4: Simplify right side
    66,422,041.20x = 2,796,476,199,326,913
  5. Step 5: Solve for x
    x = 2,796,476,199,326,913/66,422,041.20
  6. Step 6: Final answer
    x = 42,101,629.95

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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.