Home / 100,885,880,382.68-139,222,526,732.48-55,160,186,768.86

Finding the Fourth Proportional to 100,885,880,382.68, 139,222,526,732.48 and 55,160,186,768.86

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Solution

The fourth proportional to 100,885,880,382.68, 139,222,526,732.48 and 55,160,186,768.86 is: 76,121,064,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,885,880,382.68 : 139,222,526,732.48 = 55,160,186,768.86 : x
  2. Step 2: Convert to fraction form
    100,885,880,382.68/139,222,526,732.48 = 55,160,186,768.86/x
  3. Step 3: Cross multiply
    100,885,880,382.68x = 139,222,526,732.48 × 55,160,186,768.86
  4. Step 4: Simplify right side
    100,885,880,382.68x = 7,679,540,576,996,201,332,736
  5. Step 5: Solve for x
    x = 7,679,540,576,996,201,332,736/100,885,880,382.68
  6. Step 6: Final answer
    x = 76,121,064,195.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.