Home / 161,352,006.20-242,028,009.30-40,183,458.20

Finding the Fourth Proportional to 161,352,006.20, 242,028,009.30 and 40,183,458.20

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Solution

The fourth proportional to 161,352,006.20, 242,028,009.30 and 40,183,458.20 is: 60,275,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,352,006.20 : 242,028,009.30 = 40,183,458.20 : x
  2. Step 2: Convert to fraction form
    161,352,006.20/242,028,009.30 = 40,183,458.20/x
  3. Step 3: Cross multiply
    161,352,006.20x = 242,028,009.30 × 40,183,458.20
  4. Step 4: Simplify right side
    161,352,006.20x = 9,725,522,394,935,762
  5. Step 5: Solve for x
    x = 9,725,522,394,935,762/161,352,006.20
  6. Step 6: Final answer
    x = 60,275,187.30

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Double scale
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Similar ratio
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1.5x scale

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.