Home / 117,467,191.28-162,039,420.60-109,153,843.76

Finding the Fourth Proportional to 117,467,191.28, 162,039,420.60 and 109,153,843.76

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Solution

The fourth proportional to 117,467,191.28, 162,039,420.60 and 109,153,843.76 is: 150,571,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,467,191.28 : 162,039,420.60 = 109,153,843.76 : x
  2. Step 2: Convert to fraction form
    117,467,191.28/162,039,420.60 = 109,153,843.76/x
  3. Step 3: Cross multiply
    117,467,191.28x = 162,039,420.60 × 109,153,843.76
  4. Step 4: Simplify right side
    117,467,191.28x = 17,687,225,599,133,326
  5. Step 5: Solve for x
    x = 17,687,225,599,133,326/117,467,191.28
  6. Step 6: Final answer
    x = 150,571,622.65

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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.