Home / 123,796,334.72-170,840,489.76-68,047,841.60

Finding the Fourth Proportional to 123,796,334.72, 170,840,489.76 and 68,047,841.60

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Solution

The fourth proportional to 123,796,334.72, 170,840,489.76 and 68,047,841.60 is: 93,906,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,796,334.72 : 170,840,489.76 = 68,047,841.60 : x
  2. Step 2: Convert to fraction form
    123,796,334.72/170,840,489.76 = 68,047,841.60/x
  3. Step 3: Cross multiply
    123,796,334.72x = 170,840,489.76 × 68,047,841.60
  4. Step 4: Simplify right side
    123,796,334.72x = 11,625,326,586,054,900
  5. Step 5: Solve for x
    x = 11,625,326,586,054,900/123,796,334.72
  6. Step 6: Final answer
    x = 93,906,872.22

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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.