Home / 66,142,279.64-91,246,887.98-38,628,070.04

Finding the Fourth Proportional to 66,142,279.64, 91,246,887.98 and 38,628,070.04

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Solution

The fourth proportional to 66,142,279.64, 91,246,887.98 and 38,628,070.04 is: 53,289,532.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,279.64 : 91,246,887.98 = 38,628,070.04 : x
  2. Step 2: Convert to fraction form
    66,142,279.64/91,246,887.98 = 38,628,070.04/x
  3. Step 3: Cross multiply
    66,142,279.64x = 91,246,887.98 × 38,628,070.04
  4. Step 4: Simplify right side
    66,142,279.64x = 3,524,691,179,823,474
  5. Step 5: Solve for x
    x = 3,524,691,179,823,474/66,142,279.64
  6. Step 6: Final answer
    x = 53,289,532.79

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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.