Home / 125,882,663,276.49-188,921,912,564.97-87,862,242,021.36

Finding the Fourth Proportional to 125,882,663,276.49, 188,921,912,564.97 and 87,862,242,021.36

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Solution

The fourth proportional to 125,882,663,276.49, 188,921,912,564.97 and 87,862,242,021.36 is: 131,861,706,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,882,663,276.49 : 188,921,912,564.97 = 87,862,242,021.36 : x
  2. Step 2: Convert to fraction form
    125,882,663,276.49/188,921,912,564.97 = 87,862,242,021.36/x
  3. Step 3: Cross multiply
    125,882,663,276.49x = 188,921,912,564.97 × 87,862,242,021.36
  4. Step 4: Simplify right side
    125,882,663,276.49x = 16,599,102,804,921,606,471,680
  5. Step 5: Solve for x
    x = 16,599,102,804,921,606,471,680/125,882,663,276.49
  6. Step 6: Final answer
    x = 131,861,706,551.78

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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.