Home / 108,540,346.40-162,763,280.40-35,728,992.80

Finding the Fourth Proportional to 108,540,346.40, 162,763,280.40 and 35,728,992.80

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Solution

The fourth proportional to 108,540,346.40, 162,763,280.40 and 35,728,992.80 is: 53,577,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,540,346.40 : 162,763,280.40 = 35,728,992.80 : x
  2. Step 2: Convert to fraction form
    108,540,346.40/162,763,280.40 = 35,728,992.80/x
  3. Step 3: Cross multiply
    108,540,346.40x = 162,763,280.40 × 35,728,992.80
  4. Step 4: Simplify right side
    108,540,346.40x = 5,815,368,073,515,981
  5. Step 5: Solve for x
    x = 5,815,368,073,515,981/108,540,346.40
  6. Step 6: Final answer
    x = 53,577,939.14

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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.