Home / 111,522,965.10-167,219,493.75-43,285,940.70

Finding the Fourth Proportional to 111,522,965.10, 167,219,493.75 and 43,285,940.70

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Solution

The fourth proportional to 111,522,965.10, 167,219,493.75 and 43,285,940.70 is: 64,903,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,522,965.10 : 167,219,493.75 = 43,285,940.70 : x
  2. Step 2: Convert to fraction form
    111,522,965.10/167,219,493.75 = 43,285,940.70/x
  3. Step 3: Cross multiply
    111,522,965.10x = 167,219,493.75 × 43,285,940.70
  4. Step 4: Simplify right side
    111,522,965.10x = 7,238,253,090,346,521
  5. Step 5: Solve for x
    x = 7,238,253,090,346,521/111,522,965.10
  6. Step 6: Final answer
    x = 64,903,700.18

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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.