Home / 76,287,133.92-105,275,512.98-41,479,831.56

Finding the Fourth Proportional to 76,287,133.92, 105,275,512.98 and 41,479,831.56

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Solution

The fourth proportional to 76,287,133.92, 105,275,512.98 and 41,479,831.56 is: 57,241,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,287,133.92 : 105,275,512.98 = 41,479,831.56 : x
  2. Step 2: Convert to fraction form
    76,287,133.92/105,275,512.98 = 41,479,831.56/x
  3. Step 3: Cross multiply
    76,287,133.92x = 105,275,512.98 × 41,479,831.56
  4. Step 4: Simplify right side
    76,287,133.92x = 4,366,810,545,802,994
  5. Step 5: Solve for x
    x = 4,366,810,545,802,994/76,287,133.92
  6. Step 6: Final answer
    x = 57,241,769.63

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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.