Home / 66,430,272.30-99,645,408.45-18,561,216.30

Finding the Fourth Proportional to 66,430,272.30, 99,645,408.45 and 18,561,216.30

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Solution

The fourth proportional to 66,430,272.30, 99,645,408.45 and 18,561,216.30 is: 27,841,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,272.30 : 99,645,408.45 = 18,561,216.30 : x
  2. Step 2: Convert to fraction form
    66,430,272.30/99,645,408.45 = 18,561,216.30/x
  3. Step 3: Cross multiply
    66,430,272.30x = 99,645,408.45 × 18,561,216.30
  4. Step 4: Simplify right side
    66,430,272.30x = 1,849,539,979,542,297.75
  5. Step 5: Solve for x
    x = 1,849,539,979,542,297.75/66,430,272.30
  6. Step 6: Final answer
    x = 27,841,824.45

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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.