Home / 66,082,165.86-91,194,908.20-36,314,664.64

Finding the Fourth Proportional to 66,082,165.86, 91,194,908.20 and 36,314,664.64

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Solution

The fourth proportional to 66,082,165.86, 91,194,908.20 and 36,314,664.64 is: 50,115,072.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082,165.86 : 91,194,908.20 = 36,314,664.64 : x
  2. Step 2: Convert to fraction form
    66,082,165.86/91,194,908.20 = 36,314,664.64/x
  3. Step 3: Cross multiply
    66,082,165.86x = 91,194,908.20 × 36,314,664.64
  4. Step 4: Simplify right side
    66,082,165.86x = 3,311,712,508,158,586
  5. Step 5: Solve for x
    x = 3,311,712,508,158,586/66,082,165.86
  6. Step 6: Final answer
    x = 50,115,072.12

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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.