Home / 166,790,985.75-250,299,507.75-68,440,472.88

Finding the Fourth Proportional to 166,790,985.75, 250,299,507.75 and 68,440,472.88

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Solution

The fourth proportional to 166,790,985.75, 250,299,507.75 and 68,440,472.88 is: 102,707,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,790,985.75 : 250,299,507.75 = 68,440,472.88 : x
  2. Step 2: Convert to fraction form
    166,790,985.75/250,299,507.75 = 68,440,472.88/x
  3. Step 3: Cross multiply
    166,790,985.75x = 250,299,507.75 × 68,440,472.88
  4. Step 4: Simplify right side
    166,790,985.75x = 17,130,616,672,041,224
  5. Step 5: Solve for x
    x = 17,130,616,672,041,224/166,790,985.75
  6. Step 6: Final answer
    x = 102,707,089.33

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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.