Home / 149,015,632.16-205,648,344.20-82,940,362.48

Finding the Fourth Proportional to 149,015,632.16, 205,648,344.20 and 82,940,362.48

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Solution

The fourth proportional to 149,015,632.16, 205,648,344.20 and 82,940,362.48 is: 114,461,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,015,632.16 : 205,648,344.20 = 82,940,362.48 : x
  2. Step 2: Convert to fraction form
    149,015,632.16/205,648,344.20 = 82,940,362.48/x
  3. Step 3: Cross multiply
    149,015,632.16x = 205,648,344.20 × 82,940,362.48
  4. Step 4: Simplify right side
    149,015,632.16x = 17,056,548,211,359,806
  5. Step 5: Solve for x
    x = 17,056,548,211,359,806/149,015,632.16
  6. Step 6: Final answer
    x = 114,461,469.34

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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.