Home / 204,712,262.87-307,340,804.72-107,736,071.72

Finding the Fourth Proportional to 204,712,262.87, 307,340,804.72 and 107,736,071.72

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Solution

The fourth proportional to 204,712,262.87, 307,340,804.72 and 107,736,071.72 is: 161,747,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,712,262.87 : 307,340,804.72 = 107,736,071.72 : x
  2. Step 2: Convert to fraction form
    204,712,262.87/307,340,804.72 = 107,736,071.72/x
  3. Step 3: Cross multiply
    204,712,262.87x = 307,340,804.72 × 107,736,071.72
  4. Step 4: Simplify right side
    204,712,262.87x = 33,111,690,979,796,436
  5. Step 5: Solve for x
    x = 33,111,690,979,796,436/204,712,262.87
  6. Step 6: Final answer
    x = 161,747,471.87

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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.