Home / 123,684,914.64-185,550,179.52-40,691,337.60

Finding the Fourth Proportional to 123,684,914.64, 185,550,179.52 and 40,691,337.60

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Solution

The fourth proportional to 123,684,914.64, 185,550,179.52 and 40,691,337.60 is: 61,044,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,684,914.64 : 185,550,179.52 = 40,691,337.60 : x
  2. Step 2: Convert to fraction form
    123,684,914.64/185,550,179.52 = 40,691,337.60/x
  3. Step 3: Cross multiply
    123,684,914.64x = 185,550,179.52 × 40,691,337.60
  4. Step 4: Simplify right side
    123,684,914.64x = 7,550,284,996,588,927
  5. Step 5: Solve for x
    x = 7,550,284,996,588,927/123,684,914.64
  6. Step 6: Final answer
    x = 61,044,509.90

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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.