Home / 223,099,688.78-307,553,087.46-155,910,042.68

Finding the Fourth Proportional to 223,099,688.78, 307,553,087.46 and 155,910,042.68

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Solution

The fourth proportional to 223,099,688.78, 307,553,087.46 and 155,910,042.68 is: 214,929,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,099,688.78 : 307,553,087.46 = 155,910,042.68 : x
  2. Step 2: Convert to fraction form
    223,099,688.78/307,553,087.46 = 155,910,042.68/x
  3. Step 3: Cross multiply
    223,099,688.78x = 307,553,087.46 × 155,910,042.68
  4. Step 4: Simplify right side
    223,099,688.78x = 47,950,614,991,301,272
  5. Step 5: Solve for x
    x = 47,950,614,991,301,272/223,099,688.78
  6. Step 6: Final answer
    x = 214,929,098.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.