Home / 90,717,082.88-125,191,639.72-51,552,688.64

Finding the Fourth Proportional to 90,717,082.88, 125,191,639.72 and 51,552,688.64

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Solution

The fourth proportional to 90,717,082.88, 125,191,639.72 and 51,552,688.64 is: 71,143,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,717,082.88 : 125,191,639.72 = 51,552,688.64 : x
  2. Step 2: Convert to fraction form
    90,717,082.88/125,191,639.72 = 51,552,688.64/x
  3. Step 3: Cross multiply
    90,717,082.88x = 125,191,639.72 × 51,552,688.64
  4. Step 4: Simplify right side
    90,717,082.88x = 6,453,965,622,816,217
  5. Step 5: Solve for x
    x = 6,453,965,622,816,217/90,717,082.88
  6. Step 6: Final answer
    x = 71,143,884.02

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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.