Home / 137,553,843.87-189,825,537.96-74,831,308.38

Finding the Fourth Proportional to 137,553,843.87, 189,825,537.96 and 74,831,308.38

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Solution

The fourth proportional to 137,553,843.87, 189,825,537.96 and 74,831,308.38 is: 103,267,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,553,843.87 : 189,825,537.96 = 74,831,308.38 : x
  2. Step 2: Convert to fraction form
    137,553,843.87/189,825,537.96 = 74,831,308.38/x
  3. Step 3: Cross multiply
    137,553,843.87x = 189,825,537.96 × 74,831,308.38
  4. Step 4: Simplify right side
    137,553,843.87x = 14,204,893,369,484,156
  5. Step 5: Solve for x
    x = 14,204,893,369,484,156/137,553,843.87
  6. Step 6: Final answer
    x = 103,267,876.56

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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.