Home / 162,122,119.44-243,146,711.13-74,599,682.59

Finding the Fourth Proportional to 162,122,119.44, 243,146,711.13 and 74,599,682.59

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Solution

The fourth proportional to 162,122,119.44, 243,146,711.13 and 74,599,682.59 is: 111,882,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,122,119.44 : 243,146,711.13 = 74,599,682.59 : x
  2. Step 2: Convert to fraction form
    162,122,119.44/243,146,711.13 = 74,599,682.59/x
  3. Step 3: Cross multiply
    162,122,119.44x = 243,146,711.13 × 74,599,682.59
  4. Step 4: Simplify right side
    162,122,119.44x = 18,138,667,473,100,420
  5. Step 5: Solve for x
    x = 18,138,667,473,100,420/162,122,119.44
  6. Step 6: Final answer
    x = 111,882,743.30

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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.