Home / 259,073,999.70-388,362,167.55-149,786,985.30

Finding the Fourth Proportional to 259,073,999.70, 388,362,167.55 and 149,786,985.30

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Solution

The fourth proportional to 259,073,999.70, 388,362,167.55 and 149,786,985.30 is: 224,536,612.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,073,999.70 : 388,362,167.55 = 149,786,985.30 : x
  2. Step 2: Convert to fraction form
    259,073,999.70/388,362,167.55 = 149,786,985.30/x
  3. Step 3: Cross multiply
    259,073,999.70x = 388,362,167.55 × 149,786,985.30
  4. Step 4: Simplify right side
    259,073,999.70x = 58,171,598,281,887,992
  5. Step 5: Solve for x
    x = 58,171,598,281,887,992/259,073,999.70
  6. Step 6: Final answer
    x = 224,536,612.51

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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.