Home / 66,561,156.90-99,833,862.15-18,036,000.90

Finding the Fourth Proportional to 66,561,156.90, 99,833,862.15 and 18,036,000.90

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Solution

The fourth proportional to 66,561,156.90, 99,833,862.15 and 18,036,000.90 is: 27,051,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561,156.90 : 99,833,862.15 = 18,036,000.90 : x
  2. Step 2: Convert to fraction form
    66,561,156.90/99,833,862.15 = 18,036,000.90/x
  3. Step 3: Cross multiply
    66,561,156.90x = 99,833,862.15 × 18,036,000.90
  4. Step 4: Simplify right side
    66,561,156.90x = 1,800,603,627,587,876
  5. Step 5: Solve for x
    x = 1,800,603,627,587,876/66,561,156.90
  6. Step 6: Final answer
    x = 27,051,867.96

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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.