Home / 213,738,419.88-294,986,837.88-119,688,381.90

Finding the Fourth Proportional to 213,738,419.88, 294,986,837.88 and 119,688,381.90

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Solution

The fourth proportional to 213,738,419.88, 294,986,837.88 and 119,688,381.90 is: 165,185,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,738,419.88 : 294,986,837.88 = 119,688,381.90 : x
  2. Step 2: Convert to fraction form
    213,738,419.88/294,986,837.88 = 119,688,381.90/x
  3. Step 3: Cross multiply
    213,738,419.88x = 294,986,837.88 × 119,688,381.90
  4. Step 4: Simplify right side
    213,738,419.88x = 35,306,497,307,654,828
  5. Step 5: Solve for x
    x = 35,306,497,307,654,828/213,738,419.88
  6. Step 6: Final answer
    x = 165,185,544.68

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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.