Home / 97,785,145,861.40-146,677,718,792.10-81,255,204,997.40

Finding the Fourth Proportional to 97,785,145,861.40, 146,677,718,792.10 and 81,255,204,997.40

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Solution

The fourth proportional to 97,785,145,861.40, 146,677,718,792.10 and 81,255,204,997.40 is: 121,882,807,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,785,145,861.40 : 146,677,718,792.10 = 81,255,204,997.40 : x
  2. Step 2: Convert to fraction form
    97,785,145,861.40/146,677,718,792.10 = 81,255,204,997.40/x
  3. Step 3: Cross multiply
    97,785,145,861.40x = 146,677,718,792.10 × 81,255,204,997.40
  4. Step 4: Simplify right side
    97,785,145,861.40x = 11,918,328,109,003,075,223,552
  5. Step 5: Solve for x
    x = 11,918,328,109,003,075,223,552/97,785,145,861.40
  6. Step 6: Final answer
    x = 121,882,807,496.10

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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.