Home / 74,112,126.30-102,147,076.34-49,287,956.68

Finding the Fourth Proportional to 74,112,126.30, 102,147,076.34 and 49,287,956.68

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Solution

The fourth proportional to 74,112,126.30, 102,147,076.34 and 49,287,956.68 is: 67,932,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,112,126.30 : 102,147,076.34 = 49,287,956.68 : x
  2. Step 2: Convert to fraction form
    74,112,126.30/102,147,076.34 = 49,287,956.68/x
  3. Step 3: Cross multiply
    74,112,126.30x = 102,147,076.34 × 49,287,956.68
  4. Step 4: Simplify right side
    74,112,126.30x = 5,034,620,673,695,527
  5. Step 5: Solve for x
    x = 5,034,620,673,695,527/74,112,126.30
  6. Step 6: Final answer
    x = 67,932,481.84

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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.