Home / 65,440,437.87-90,311,844.74-36,071,704.29

Finding the Fourth Proportional to 65,440,437.87, 90,311,844.74 and 36,071,704.29

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Solution

The fourth proportional to 65,440,437.87, 90,311,844.74 and 36,071,704.29 is: 49,781,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,440,437.87 : 90,311,844.74 = 36,071,704.29 : x
  2. Step 2: Convert to fraction form
    65,440,437.87/90,311,844.74 = 36,071,704.29/x
  3. Step 3: Cross multiply
    65,440,437.87x = 90,311,844.74 × 36,071,704.29
  4. Step 4: Simplify right side
    65,440,437.87x = 3,257,702,157,165,313.50
  5. Step 5: Solve for x
    x = 3,257,702,157,165,313.50/65,440,437.87
  6. Step 6: Final answer
    x = 49,781,179.09

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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.