Home / 76,207,857.01-113,735,878.54-68,852,939.56

Finding the Fourth Proportional to 76,207,857.01, 113,735,878.54 and 68,852,939.56

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Solution

The fourth proportional to 76,207,857.01, 113,735,878.54 and 68,852,939.56 is: 102,759,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,207,857.01 : 113,735,878.54 = 68,852,939.56 : x
  2. Step 2: Convert to fraction form
    76,207,857.01/113,735,878.54 = 68,852,939.56/x
  3. Step 3: Cross multiply
    76,207,857.01x = 113,735,878.54 × 68,852,939.56
  4. Step 4: Simplify right side
    76,207,857.01x = 7,831,049,570,918,122
  5. Step 5: Solve for x
    x = 7,831,049,570,918,122/76,207,857.01
  6. Step 6: Final answer
    x = 102,759,083.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.