Home / 213,890,319.56-320,797,554.11-97,278,361.46

Finding the Fourth Proportional to 213,890,319.56, 320,797,554.11 and 97,278,361.46

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Solution

The fourth proportional to 213,890,319.56, 320,797,554.11 and 97,278,361.46 is: 145,900,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890,319.56 : 320,797,554.11 = 97,278,361.46 : x
  2. Step 2: Convert to fraction form
    213,890,319.56/320,797,554.11 = 97,278,361.46/x
  3. Step 3: Cross multiply
    213,890,319.56x = 320,797,554.11 × 97,278,361.46
  4. Step 4: Simplify right side
    213,890,319.56x = 31,206,660,423,673,892
  5. Step 5: Solve for x
    x = 31,206,660,423,673,892/213,890,319.56
  6. Step 6: Final answer
    x = 145,900,293.61

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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.