Home / 89,045,914,983.40-133,568,872,475.10-80,229,946,522.60

Finding the Fourth Proportional to 89,045,914,983.40, 133,568,872,475.10 and 80,229,946,522.60

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Solution

The fourth proportional to 89,045,914,983.40, 133,568,872,475.10 and 80,229,946,522.60 is: 120,344,919,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045,914,983.40 : 133,568,872,475.10 = 80,229,946,522.60 : x
  2. Step 2: Convert to fraction form
    89,045,914,983.40/133,568,872,475.10 = 80,229,946,522.60/x
  3. Step 3: Cross multiply
    89,045,914,983.40x = 133,568,872,475.10 × 80,229,946,522.60
  4. Step 4: Simplify right side
    89,045,914,983.40x = 10,716,223,495,761,253,367,808
  5. Step 5: Solve for x
    x = 10,716,223,495,761,253,367,808/89,045,914,983.40
  6. Step 6: Final answer
    x = 120,344,919,783.90

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Double scale
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1.5x scale

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.