Home / 312,022,335.20-468,033,502.80-158,967,327.20

Finding the Fourth Proportional to 312,022,335.20, 468,033,502.80 and 158,967,327.20

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Solution

The fourth proportional to 312,022,335.20, 468,033,502.80 and 158,967,327.20 is: 238,450,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,022,335.20 : 468,033,502.80 = 158,967,327.20 : x
  2. Step 2: Convert to fraction form
    312,022,335.20/468,033,502.80 = 158,967,327.20/x
  3. Step 3: Cross multiply
    312,022,335.20x = 468,033,502.80 × 158,967,327.20
  4. Step 4: Simplify right side
    312,022,335.20x = 74,402,034,980,169,712
  5. Step 5: Solve for x
    x = 74,402,034,980,169,712/312,022,335.20
  6. Step 6: Final answer
    x = 238,450,990.80

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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.