Home / 89,045,914,553.40-133,568,871,830.10-80,229,946,092.60

Finding the Fourth Proportional to 89,045,914,553.40, 133,568,871,830.10 and 80,229,946,092.60

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Solution

The fourth proportional to 89,045,914,553.40, 133,568,871,830.10 and 80,229,946,092.60 is: 120,344,919,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045,914,553.40 : 133,568,871,830.10 = 80,229,946,092.60 : x
  2. Step 2: Convert to fraction form
    89,045,914,553.40/133,568,871,830.10 = 80,229,946,092.60/x
  3. Step 3: Cross multiply
    89,045,914,553.40x = 133,568,871,830.10 × 80,229,946,092.60
  4. Step 4: Simplify right side
    89,045,914,553.40x = 10,716,223,386,578,323,505,152
  5. Step 5: Solve for x
    x = 10,716,223,386,578,323,505,152/89,045,914,553.40
  6. Step 6: Final answer
    x = 120,344,919,138.90

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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.