Home / 65,448,014.10-98,172,021.15-31,351,809.30

Finding the Fourth Proportional to 65,448,014.10, 98,172,021.15 and 31,351,809.30

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Solution

The fourth proportional to 65,448,014.10, 98,172,021.15 and 31,351,809.30 is: 47,027,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,014.10 : 98,172,021.15 = 31,351,809.30 : x
  2. Step 2: Convert to fraction form
    65,448,014.10/98,172,021.15 = 31,351,809.30/x
  3. Step 3: Cross multiply
    65,448,014.10x = 98,172,021.15 × 31,351,809.30
  4. Step 4: Simplify right side
    65,448,014.10x = 3,077,870,485,690,367
  5. Step 5: Solve for x
    x = 3,077,870,485,690,367/65,448,014.10
  6. Step 6: Final answer
    x = 47,027,713.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.