Home / 99,496,753,457.20-149,245,130,185.80-81,830,379,158.80

Finding the Fourth Proportional to 99,496,753,457.20, 149,245,130,185.80 and 81,830,379,158.80

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Solution

The fourth proportional to 99,496,753,457.20, 149,245,130,185.80 and 81,830,379,158.80 is: 122,745,568,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496,753,457.20 : 149,245,130,185.80 = 81,830,379,158.80 : x
  2. Step 2: Convert to fraction form
    99,496,753,457.20/149,245,130,185.80 = 81,830,379,158.80/x
  3. Step 3: Cross multiply
    99,496,753,457.20x = 149,245,130,185.80 × 81,830,379,158.80
  4. Step 4: Simplify right side
    99,496,753,457.20x = 12,212,785,590,708,480,245,760
  5. Step 5: Solve for x
    x = 12,212,785,590,708,480,245,760/99,496,753,457.20
  6. Step 6: Final answer
    x = 122,745,568,738.20

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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.