Home / 248,239,593.95-342,570,623.41-143,878,200.18

Finding the Fourth Proportional to 248,239,593.95, 342,570,623.41 and 143,878,200.18

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Solution

The fourth proportional to 248,239,593.95, 342,570,623.41 and 143,878,200.18 is: 198,551,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,239,593.95 : 342,570,623.41 = 143,878,200.18 : x
  2. Step 2: Convert to fraction form
    248,239,593.95/342,570,623.41 = 143,878,200.18/x
  3. Step 3: Cross multiply
    248,239,593.95x = 342,570,623.41 × 143,878,200.18
  4. Step 4: Simplify right side
    248,239,593.95x = 49,288,444,728,856,552
  5. Step 5: Solve for x
    x = 49,288,444,728,856,552/248,239,593.95
  6. Step 6: Final answer
    x = 198,551,906.83

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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.