Home / 123,796,329.72-170,840,482.86-68,047,836.60

Finding the Fourth Proportional to 123,796,329.72, 170,840,482.86 and 68,047,836.60

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Solution

The fourth proportional to 123,796,329.72, 170,840,482.86 and 68,047,836.60 is: 93,906,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,796,329.72 : 170,840,482.86 = 68,047,836.60 : x
  2. Step 2: Convert to fraction form
    123,796,329.72/170,840,482.86 = 68,047,836.60/x
  3. Step 3: Cross multiply
    123,796,329.72x = 170,840,482.86 × 68,047,836.60
  4. Step 4: Simplify right side
    123,796,329.72x = 11,625,325,262,322,380
  5. Step 5: Solve for x
    x = 11,625,325,262,322,380/123,796,329.72
  6. Step 6: Final answer
    x = 93,906,865.32

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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.