Home / 111,673,961.72-154,107,857.22-62,113,269.32

Finding the Fourth Proportional to 111,673,961.72, 154,107,857.22 and 62,113,269.32

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Solution

The fourth proportional to 111,673,961.72, 154,107,857.22 and 62,113,269.32 is: 85,715,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,673,961.72 : 154,107,857.22 = 62,113,269.32 : x
  2. Step 2: Convert to fraction form
    111,673,961.72/154,107,857.22 = 62,113,269.32/x
  3. Step 3: Cross multiply
    111,673,961.72x = 154,107,857.22 × 62,113,269.32
  4. Step 4: Simplify right side
    111,673,961.72x = 9,572,142,839,833,966
  5. Step 5: Solve for x
    x = 9,572,142,839,833,966/111,673,961.72
  6. Step 6: Final answer
    x = 85,715,082.48

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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.