Home / 195,219,188.92-269,402,992.32-105,911,128.48

Finding the Fourth Proportional to 195,219,188.92, 269,402,992.32 and 105,911,128.48

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Solution

The fourth proportional to 195,219,188.92, 269,402,992.32 and 105,911,128.48 is: 146,157,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,219,188.92 : 269,402,992.32 = 105,911,128.48 : x
  2. Step 2: Convert to fraction form
    195,219,188.92/269,402,992.32 = 105,911,128.48/x
  3. Step 3: Cross multiply
    195,219,188.92x = 269,402,992.32 × 105,911,128.48
  4. Step 4: Simplify right side
    195,219,188.92x = 28,532,774,932,499,972
  5. Step 5: Solve for x
    x = 28,532,774,932,499,972/195,219,188.92
  6. Step 6: Final answer
    x = 146,157,634.86

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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.