Home / 90,325,082.10-124,647,948.45-49,072,313.46

Finding the Fourth Proportional to 90,325,082.10, 124,647,948.45 and 49,072,313.46

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Solution

The fourth proportional to 90,325,082.10, 124,647,948.45 and 49,072,313.46 is: 67,719,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,325,082.10 : 124,647,948.45 = 49,072,313.46 : x
  2. Step 2: Convert to fraction form
    90,325,082.10/124,647,948.45 = 49,072,313.46/x
  3. Step 3: Cross multiply
    90,325,082.10x = 124,647,948.45 × 49,072,313.46
  4. Step 4: Simplify right side
    90,325,082.10x = 6,116,763,198,484,321
  5. Step 5: Solve for x
    x = 6,116,763,198,484,321/90,325,082.10
  6. Step 6: Final answer
    x = 67,719,431.37

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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.