Home / 67,318,687.65-92,895,784.20-39,058,871.43

Finding the Fourth Proportional to 67,318,687.65, 92,895,784.20 and 39,058,871.43

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Solution

The fourth proportional to 67,318,687.65, 92,895,784.20 and 39,058,871.43 is: 53,898,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,318,687.65 : 92,895,784.20 = 39,058,871.43 : x
  2. Step 2: Convert to fraction form
    67,318,687.65/92,895,784.20 = 39,058,871.43/x
  3. Step 3: Cross multiply
    67,318,687.65x = 92,895,784.20 × 39,058,871.43
  4. Step 4: Simplify right side
    67,318,687.65x = 3,628,404,491,456,825.50
  5. Step 5: Solve for x
    x = 3,628,404,491,456,825.50/67,318,687.65
  6. Step 6: Final answer
    x = 53,898,918.98

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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.