Home / 48,605,489-67,043,969.64-31,174,224.20

Finding the Fourth Proportional to 48,605,489, 67,043,969.64 and 31,174,224.20

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Solution

The fourth proportional to 48,605,489, 67,043,969.64 and 31,174,224.20 is: 43,000,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605,489 : 67,043,969.64 = 31,174,224.20 : x
  2. Step 2: Convert to fraction form
    48,605,489/67,043,969.64 = 31,174,224.20/x
  3. Step 3: Cross multiply
    48,605,489x = 67,043,969.64 × 31,174,224.20
  4. Step 4: Simplify right side
    48,605,489x = 2,090,043,740,815,353.25
  5. Step 5: Solve for x
    x = 2,090,043,740,815,353.25/48,605,489
  6. Step 6: Final answer
    x = 43,000,158.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.