Home / 213,890,320.56-320,797,555.61-97,278,362.46

Finding the Fourth Proportional to 213,890,320.56, 320,797,555.61 and 97,278,362.46

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Solution

The fourth proportional to 213,890,320.56, 320,797,555.61 and 97,278,362.46 is: 145,900,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890,320.56 : 320,797,555.61 = 97,278,362.46 : x
  2. Step 2: Convert to fraction form
    213,890,320.56/320,797,555.61 = 97,278,362.46/x
  3. Step 3: Cross multiply
    213,890,320.56x = 320,797,555.61 × 97,278,362.46
  4. Step 4: Simplify right side
    213,890,320.56x = 31,206,660,890,911,584
  5. Step 5: Solve for x
    x = 31,206,660,890,911,584/213,890,320.56
  6. Step 6: Final answer
    x = 145,900,295.11

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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.