Home / 174,610,972.80-261,810,961.92-69,582,470.40

Finding the Fourth Proportional to 174,610,972.80, 261,810,961.92 and 69,582,470.40

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Solution

The fourth proportional to 174,610,972.80, 261,810,961.92 and 69,582,470.40 is: 104,331,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,610,972.80 : 261,810,961.92 = 69,582,470.40 : x
  2. Step 2: Convert to fraction form
    174,610,972.80/261,810,961.92 = 69,582,470.40/x
  3. Step 3: Cross multiply
    174,610,972.80x = 261,810,961.92 × 69,582,470.40
  4. Step 4: Simplify right side
    174,610,972.80x = 18,217,453,508,193,928
  5. Step 5: Solve for x
    x = 18,217,453,508,193,928/174,610,972.80
  6. Step 6: Final answer
    x = 104,331,664.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.