Home / 117,467,189.28-162,039,417.84-109,153,841.76

Finding the Fourth Proportional to 117,467,189.28, 162,039,417.84 and 109,153,841.76

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Solution

The fourth proportional to 117,467,189.28, 162,039,417.84 and 109,153,841.76 is: 150,571,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,467,189.28 : 162,039,417.84 = 109,153,841.76 : x
  2. Step 2: Convert to fraction form
    117,467,189.28/162,039,417.84 = 109,153,841.76/x
  3. Step 3: Cross multiply
    117,467,189.28x = 162,039,417.84 × 109,153,841.76
  4. Step 4: Simplify right side
    117,467,189.28x = 17,687,224,973,789,882
  5. Step 5: Solve for x
    x = 17,687,224,973,789,882/117,467,189.28
  6. Step 6: Final answer
    x = 150,571,619.89

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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.