Home / 115,233,353.40-172,850,030.10-72,235,183.80

Finding the Fourth Proportional to 115,233,353.40, 172,850,030.10 and 72,235,183.80

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Solution

The fourth proportional to 115,233,353.40, 172,850,030.10 and 72,235,183.80 is: 108,352,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,233,353.40 : 172,850,030.10 = 72,235,183.80 : x
  2. Step 2: Convert to fraction form
    115,233,353.40/172,850,030.10 = 72,235,183.80/x
  3. Step 3: Cross multiply
    115,233,353.40x = 172,850,030.10 × 72,235,183.80
  4. Step 4: Simplify right side
    115,233,353.40x = 12,485,853,694,109,032
  5. Step 5: Solve for x
    x = 12,485,853,694,109,032/115,233,353.40
  6. Step 6: Final answer
    x = 108,352,775.70

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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.