Home / 89,045,914,551.90-133,568,871,827.85-80,229,946,091.10

Finding the Fourth Proportional to 89,045,914,551.90, 133,568,871,827.85 and 80,229,946,091.10

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Solution

The fourth proportional to 89,045,914,551.90, 133,568,871,827.85 and 80,229,946,091.10 is: 120,344,919,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045,914,551.90 : 133,568,871,827.85 = 80,229,946,091.10 : x
  2. Step 2: Convert to fraction form
    89,045,914,551.90/133,568,871,827.85 = 80,229,946,091.10/x
  3. Step 3: Cross multiply
    89,045,914,551.90x = 133,568,871,827.85 × 80,229,946,091.10
  4. Step 4: Simplify right side
    89,045,914,551.90x = 10,716,223,386,197,451,341,824
  5. Step 5: Solve for x
    x = 10,716,223,386,197,451,341,824/89,045,914,551.90
  6. Step 6: Final answer
    x = 120,344,919,136.65

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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.