Home / 204,340,339.36-306,499,519.77-100,606,130.92

Finding the Fourth Proportional to 204,340,339.36, 306,499,519.77 and 100,606,130.92

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Solution

The fourth proportional to 204,340,339.36, 306,499,519.77 and 100,606,130.92 is: 150,903,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,340,339.36 : 306,499,519.77 = 100,606,130.92 : x
  2. Step 2: Convert to fraction form
    204,340,339.36/306,499,519.77 = 100,606,130.92/x
  3. Step 3: Cross multiply
    204,340,339.36x = 306,499,519.77 × 100,606,130.92
  4. Step 4: Simplify right side
    204,340,339.36x = 30,835,730,812,897,748
  5. Step 5: Solve for x
    x = 30,835,730,812,897,748/204,340,339.36
  6. Step 6: Final answer
    x = 150,903,785.86

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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.