Home / 139,628,691,873.32-209,472,452,887.08-45,294,273,805.64

Finding the Fourth Proportional to 139,628,691,873.32, 209,472,452,887.08 and 45,294,273,805.64

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Solution

The fourth proportional to 139,628,691,873.32, 209,472,452,887.08 and 45,294,273,805.64 is: 67,950,952,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,628,691,873.32 : 209,472,452,887.08 = 45,294,273,805.64 : x
  2. Step 2: Convert to fraction form
    139,628,691,873.32/209,472,452,887.08 = 45,294,273,805.64/x
  3. Step 3: Cross multiply
    139,628,691,873.32x = 209,472,452,887.08 × 45,294,273,805.64
  4. Step 4: Simplify right side
    139,628,691,873.32x = 9,487,902,635,806,425,088,000
  5. Step 5: Solve for x
    x = 9,487,902,635,806,425,088,000/139,628,691,873.32
  6. Step 6: Final answer
    x = 67,950,952,691.12

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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.