Home / 213,890,320.56-320,797,555.60-97,278,362.45

Finding the Fourth Proportional to 213,890,320.56, 320,797,555.60 and 97,278,362.45

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Solution

The fourth proportional to 213,890,320.56, 320,797,555.60 and 97,278,362.45 is: 145,900,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890,320.56 : 320,797,555.60 = 97,278,362.45 : x
  2. Step 2: Convert to fraction form
    213,890,320.56/320,797,555.60 = 97,278,362.45/x
  3. Step 3: Cross multiply
    213,890,320.56x = 320,797,555.60 × 97,278,362.45
  4. Step 4: Simplify right side
    213,890,320.56x = 31,206,660,886,730,832
  5. Step 5: Solve for x
    x = 31,206,660,886,730,832/213,890,320.56
  6. Step 6: Final answer
    x = 145,900,295.09

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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.