Home / 222,539,096.34-307,063,346.49-128,418,906.87

Finding the Fourth Proportional to 222,539,096.34, 307,063,346.49 and 128,418,906.87

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Solution

The fourth proportional to 222,539,096.34, 307,063,346.49 and 128,418,906.87 is: 177,194,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,539,096.34 : 307,063,346.49 = 128,418,906.87 : x
  2. Step 2: Convert to fraction form
    222,539,096.34/307,063,346.49 = 128,418,906.87/x
  3. Step 3: Cross multiply
    222,539,096.34x = 307,063,346.49 × 128,418,906.87
  4. Step 4: Simplify right side
    222,539,096.34x = 39,432,739,296,089,856
  5. Step 5: Solve for x
    x = 39,432,739,296,089,856/222,539,096.34
  6. Step 6: Final answer
    x = 177,194,659.03

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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.