Home / 90,972,831.17-136,409,273.60-44,813,134.37

Finding the Fourth Proportional to 90,972,831.17, 136,409,273.60 and 44,813,134.37

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Solution

The fourth proportional to 90,972,831.17, 136,409,273.60 and 44,813,134.37 is: 67,195,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,972,831.17 : 136,409,273.60 = 44,813,134.37 : x
  2. Step 2: Convert to fraction form
    90,972,831.17/136,409,273.60 = 44,813,134.37/x
  3. Step 3: Cross multiply
    90,972,831.17x = 136,409,273.60 × 44,813,134.37
  4. Step 4: Simplify right side
    90,972,831.17x = 6,112,927,107,150,893
  5. Step 5: Solve for x
    x = 6,112,927,107,150,893/90,972,831.17
  6. Step 6: Final answer
    x = 67,195,084.82

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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.