Home / 76,723,831.56-114,526,076.73-67,038,218.76

Finding the Fourth Proportional to 76,723,831.56, 114,526,076.73 and 67,038,218.76

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Solution

The fourth proportional to 76,723,831.56, 114,526,076.73 and 67,038,218.76 is: 100,068,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,723,831.56 : 114,526,076.73 = 67,038,218.76 : x
  2. Step 2: Convert to fraction form
    76,723,831.56/114,526,076.73 = 67,038,218.76/x
  3. Step 3: Cross multiply
    76,723,831.56x = 114,526,076.73 × 67,038,218.76
  4. Step 4: Simplify right side
    76,723,831.56x = 7,677,624,185,550,285
  5. Step 5: Solve for x
    x = 7,677,624,185,550,285/76,723,831.56
  6. Step 6: Final answer
    x = 100,068,310.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.