Home / 213,738,420.88-294,986,839.26-119,688,382.90

Finding the Fourth Proportional to 213,738,420.88, 294,986,839.26 and 119,688,382.90

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Solution

The fourth proportional to 213,738,420.88, 294,986,839.26 and 119,688,382.90 is: 165,185,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,738,420.88 : 294,986,839.26 = 119,688,382.90 : x
  2. Step 2: Convert to fraction form
    213,738,420.88/294,986,839.26 = 119,688,382.90/x
  3. Step 3: Cross multiply
    213,738,420.88x = 294,986,839.26 × 119,688,382.90
  4. Step 4: Simplify right side
    213,738,420.88x = 35,306,497,767,811,632
  5. Step 5: Solve for x
    x = 35,306,497,767,811,632/213,738,420.88
  6. Step 6: Final answer
    x = 165,185,546.06

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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.