Home / 131,662,252.31-197,565,682.70-76,397,661.20

Finding the Fourth Proportional to 131,662,252.31, 197,565,682.70 and 76,397,661.20

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Solution

The fourth proportional to 131,662,252.31, 197,565,682.70 and 76,397,661.20 is: 114,638,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,662,252.31 : 197,565,682.70 = 76,397,661.20 : x
  2. Step 2: Convert to fraction form
    131,662,252.31/197,565,682.70 = 76,397,661.20/x
  3. Step 3: Cross multiply
    131,662,252.31x = 197,565,682.70 × 76,397,661.20
  4. Step 4: Simplify right side
    131,662,252.31x = 15,093,556,092,346,208
  5. Step 5: Solve for x
    x = 15,093,556,092,346,208/131,662,252.31
  6. Step 6: Final answer
    x = 114,638,446.69

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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.