Home / 166,037,072.40-248,383,762.20-145,881,680.40

Finding the Fourth Proportional to 166,037,072.40, 248,383,762.20 and 145,881,680.40

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Solution

The fourth proportional to 166,037,072.40, 248,383,762.20 and 145,881,680.40 is: 218,232,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,037,072.40 : 248,383,762.20 = 145,881,680.40 : x
  2. Step 2: Convert to fraction form
    166,037,072.40/248,383,762.20 = 145,881,680.40/x
  3. Step 3: Cross multiply
    166,037,072.40x = 248,383,762.20 × 145,881,680.40
  4. Step 4: Simplify right side
    166,037,072.40x = 36,234,640,613,810,000
  5. Step 5: Solve for x
    x = 36,234,640,613,810,000/166,037,072.40
  6. Step 6: Final answer
    x = 218,232,230.25

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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.