Home / 166,036,997.40-248,383,649.70-145,881,605.40

Finding the Fourth Proportional to 166,036,997.40, 248,383,649.70 and 145,881,605.40

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Solution

The fourth proportional to 166,036,997.40, 248,383,649.70 and 145,881,605.40 is: 218,232,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,036,997.40 : 248,383,649.70 = 145,881,605.40 : x
  2. Step 2: Convert to fraction form
    166,036,997.40/248,383,649.70 = 145,881,605.40/x
  3. Step 3: Cross multiply
    166,036,997.40x = 248,383,649.70 × 145,881,605.40
  4. Step 4: Simplify right side
    166,036,997.40x = 36,234,605,573,347,232
  5. Step 5: Solve for x
    x = 36,234,605,573,347,232/166,036,997.40
  6. Step 6: Final answer
    x = 218,232,117.79

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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.