Home / 243,728,840.12-365,580,384.16-79,945,022.48

Finding the Fourth Proportional to 243,728,840.12, 365,580,384.16 and 79,945,022.48

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Solution

The fourth proportional to 243,728,840.12, 365,580,384.16 and 79,945,022.48 is: 119,913,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,728,840.12 : 365,580,384.16 = 79,945,022.48 : x
  2. Step 2: Convert to fraction form
    243,728,840.12/365,580,384.16 = 79,945,022.48/x
  3. Step 3: Cross multiply
    243,728,840.12x = 365,580,384.16 × 79,945,022.48
  4. Step 4: Simplify right side
    243,728,840.12x = 29,226,332,029,918,240
  5. Step 5: Solve for x
    x = 29,226,332,029,918,240/243,728,840.12
  6. Step 6: Final answer
    x = 119,913,310.28

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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.