Home / 76,122,335.91-105,049,831.32-41,315,443.59

Finding the Fourth Proportional to 76,122,335.91, 105,049,831.32 and 41,315,443.59

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Solution

The fourth proportional to 76,122,335.91, 105,049,831.32 and 41,315,443.59 is: 57,015,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,122,335.91 : 105,049,831.32 = 41,315,443.59 : x
  2. Step 2: Convert to fraction form
    76,122,335.91/105,049,831.32 = 41,315,443.59/x
  3. Step 3: Cross multiply
    76,122,335.91x = 105,049,831.32 × 41,315,443.59
  4. Step 4: Simplify right side
    76,122,335.91x = 4,340,180,379,959,602.50
  5. Step 5: Solve for x
    x = 4,340,180,379,959,602.50/76,122,335.91
  6. Step 6: Final answer
    x = 57,015,859.12

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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.