Home / 66,082,588.13-91,188,625.19-38,207,086.81

Finding the Fourth Proportional to 66,082,588.13, 91,188,625.19 and 38,207,086.81

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Solution

The fourth proportional to 66,082,588.13, 91,188,625.19 and 38,207,086.81 is: 52,722,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082,588.13 : 91,188,625.19 = 38,207,086.81 : x
  2. Step 2: Convert to fraction form
    66,082,588.13/91,188,625.19 = 38,207,086.81/x
  3. Step 3: Cross multiply
    66,082,588.13x = 91,188,625.19 × 38,207,086.81
  4. Step 4: Simplify right side
    66,082,588.13x = 3,484,051,718,486,364
  5. Step 5: Solve for x
    x = 3,484,051,718,486,364/66,082,588.13
  6. Step 6: Final answer
    x = 52,722,688.64

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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.