Home / 298,909,558.87-412,444,106.06-173,432,989.59

Finding the Fourth Proportional to 298,909,558.87, 412,444,106.06 and 173,432,989.59

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Solution

The fourth proportional to 298,909,558.87, 412,444,106.06 and 173,432,989.59 is: 239,307,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,909,558.87 : 412,444,106.06 = 173,432,989.59 : x
  2. Step 2: Convert to fraction form
    298,909,558.87/412,444,106.06 = 173,432,989.59/x
  3. Step 3: Cross multiply
    298,909,558.87x = 412,444,106.06 × 173,432,989.59
  4. Step 4: Simplify right side
    298,909,558.87x = 71,531,414,352,760,840
  5. Step 5: Solve for x
    x = 71,531,414,352,760,840/298,909,558.87
  6. Step 6: Final answer
    x = 239,307,885.04

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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.