Home / 65,808,107.30-90,814,078.98-36,438,809.10

Finding the Fourth Proportional to 65,808,107.30, 90,814,078.98 and 36,438,809.10

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Solution

The fourth proportional to 65,808,107.30, 90,814,078.98 and 36,438,809.10 is: 50,284,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,808,107.30 : 90,814,078.98 = 36,438,809.10 : x
  2. Step 2: Convert to fraction form
    65,808,107.30/90,814,078.98 = 36,438,809.10/x
  3. Step 3: Cross multiply
    65,808,107.30x = 90,814,078.98 × 36,438,809.10
  4. Step 4: Simplify right side
    65,808,107.30x = 3,309,156,887,544,543
  5. Step 5: Solve for x
    x = 3,309,156,887,544,543/65,808,107.30
  6. Step 6: Final answer
    x = 50,284,942.44

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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.