Home / 99,628,229.64-149,485,505.59-53,516,298.29

Finding the Fourth Proportional to 99,628,229.64, 149,485,505.59 and 53,516,298.29

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Solution

The fourth proportional to 99,628,229.64, 149,485,505.59 and 53,516,298.29 is: 80,297,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,628,229.64 : 149,485,505.59 = 53,516,298.29 : x
  2. Step 2: Convert to fraction form
    99,628,229.64/149,485,505.59 = 53,516,298.29/x
  3. Step 3: Cross multiply
    99,628,229.64x = 149,485,505.59 × 53,516,298.29
  4. Step 4: Simplify right side
    99,628,229.64x = 7,999,910,907,496,607
  5. Step 5: Solve for x
    x = 7,999,910,907,496,607/99,628,229.64
  6. Step 6: Final answer
    x = 80,297,631.87

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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.