Home / 66,802,162.80-92,185,423.20-39,301,861.44

Finding the Fourth Proportional to 66,802,162.80, 92,185,423.20 and 39,301,861.44

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Solution

The fourth proportional to 66,802,162.80, 92,185,423.20 and 39,301,861.44 is: 54,235,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802,162.80 : 92,185,423.20 = 39,301,861.44 : x
  2. Step 2: Convert to fraction form
    66,802,162.80/92,185,423.20 = 39,301,861.44/x
  3. Step 3: Cross multiply
    66,802,162.80x = 92,185,423.20 × 39,301,861.44
  4. Step 4: Simplify right side
    66,802,162.80x = 3,623,058,729,394,161.50
  5. Step 5: Solve for x
    x = 3,623,058,729,394,161.50/66,802,162.80
  6. Step 6: Final answer
    x = 54,235,650.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.