Home / 126,178,139.25-189,333,891.79-89,526,893.62

Finding the Fourth Proportional to 126,178,139.25, 189,333,891.79 and 89,526,893.62

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Solution

The fourth proportional to 126,178,139.25, 189,333,891.79 and 89,526,893.62 is: 134,337,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178,139.25 : 189,333,891.79 = 89,526,893.62 : x
  2. Step 2: Convert to fraction form
    126,178,139.25/189,333,891.79 = 89,526,893.62/x
  3. Step 3: Cross multiply
    126,178,139.25x = 189,333,891.79 × 89,526,893.62
  4. Step 4: Simplify right side
    126,178,139.25x = 16,950,475,189,193,438
  5. Step 5: Solve for x
    x = 16,950,475,189,193,438/126,178,139.25
  6. Step 6: Final answer
    x = 134,337,653.81

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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.