Home / 159,843,449.10-220,583,957.67-86,504,591.10

Finding the Fourth Proportional to 159,843,449.10, 220,583,957.67 and 86,504,591.10

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Solution

The fourth proportional to 159,843,449.10, 220,583,957.67 and 86,504,591.10 is: 119,376,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,843,449.10 : 220,583,957.67 = 86,504,591.10 : x
  2. Step 2: Convert to fraction form
    159,843,449.10/220,583,957.67 = 86,504,591.10/x
  3. Step 3: Cross multiply
    159,843,449.10x = 220,583,957.67 × 86,504,591.10
  4. Step 4: Simplify right side
    159,843,449.10x = 19,081,525,061,463,056
  5. Step 5: Solve for x
    x = 19,081,525,061,463,056/159,843,449.10
  6. Step 6: Final answer
    x = 119,376,334.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.