Home / 125,882,663,273.49-188,921,912,560.47-87,862,242,018.37

Finding the Fourth Proportional to 125,882,663,273.49, 188,921,912,560.47 and 87,862,242,018.37

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Solution

The fourth proportional to 125,882,663,273.49, 188,921,912,560.47 and 87,862,242,018.37 is: 131,861,706,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,882,663,273.49 : 188,921,912,560.47 = 87,862,242,018.37 : x
  2. Step 2: Convert to fraction form
    125,882,663,273.49/188,921,912,560.47 = 87,862,242,018.37/x
  3. Step 3: Cross multiply
    125,882,663,273.49x = 188,921,912,560.47 × 87,862,242,018.37
  4. Step 4: Simplify right side
    125,882,663,273.49x = 16,599,102,803,960,406,212,608
  5. Step 5: Solve for x
    x = 16,599,102,803,960,406,212,608/125,882,663,273.49
  6. Step 6: Final answer
    x = 131,861,706,547.29

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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.