Home / 162,138,640.36-243,105,783.90-137,555,156.56

Finding the Fourth Proportional to 162,138,640.36, 243,105,783.90 and 137,555,156.56

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Solution

The fourth proportional to 162,138,640.36, 243,105,783.90 and 137,555,156.56 is: 206,246,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,138,640.36 : 243,105,783.90 = 137,555,156.56 : x
  2. Step 2: Convert to fraction form
    162,138,640.36/243,105,783.90 = 137,555,156.56/x
  3. Step 3: Cross multiply
    162,138,640.36x = 243,105,783.90 × 137,555,156.56
  4. Step 4: Simplify right side
    162,138,640.36x = 33,440,454,165,006,028
  5. Step 5: Solve for x
    x = 33,440,454,165,006,028/162,138,640.36
  6. Step 6: Final answer
    x = 206,246,050.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.