Home / 312,022,334.20-468,033,501.30-158,967,326.20

Finding the Fourth Proportional to 312,022,334.20, 468,033,501.30 and 158,967,326.20

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Solution

The fourth proportional to 312,022,334.20, 468,033,501.30 and 158,967,326.20 is: 238,450,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,022,334.20 : 468,033,501.30 = 158,967,326.20 : x
  2. Step 2: Convert to fraction form
    312,022,334.20/468,033,501.30 = 158,967,326.20/x
  3. Step 3: Cross multiply
    312,022,334.20x = 468,033,501.30 × 158,967,326.20
  4. Step 4: Simplify right side
    312,022,334.20x = 74,402,034,273,685,216
  5. Step 5: Solve for x
    x = 74,402,034,273,685,216/312,022,334.20
  6. Step 6: Final answer
    x = 238,450,989.30

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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.