Home / 199,300,688.40-298,951,032.60-177,777,327.90

Finding the Fourth Proportional to 199,300,688.40, 298,951,032.60 and 177,777,327.90

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Solution

The fourth proportional to 199,300,688.40, 298,951,032.60 and 177,777,327.90 is: 266,665,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,300,688.40 : 298,951,032.60 = 177,777,327.90 : x
  2. Step 2: Convert to fraction form
    199,300,688.40/298,951,032.60 = 177,777,327.90/x
  3. Step 3: Cross multiply
    199,300,688.40x = 298,951,032.60 × 177,777,327.90
  4. Step 4: Simplify right side
    199,300,688.40x = 53,146,715,748,573,792
  5. Step 5: Solve for x
    x = 53,146,715,748,573,792/199,300,688.40
  6. Step 6: Final answer
    x = 266,665,991.85

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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.