Home / 123,787,047.72-170,829,971.14-68,031,456.48

Finding the Fourth Proportional to 123,787,047.72, 170,829,971.14 and 68,031,456.48

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Solution

The fourth proportional to 123,787,047.72, 170,829,971.14 and 68,031,456.48 is: 93,885,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,787,047.72 : 170,829,971.14 = 68,031,456.48 : x
  2. Step 2: Convert to fraction form
    123,787,047.72/170,829,971.14 = 68,031,456.48/x
  3. Step 3: Cross multiply
    123,787,047.72x = 170,829,971.14 × 68,031,456.48
  4. Step 4: Simplify right side
    123,787,047.72x = 11,621,811,747,090,566
  5. Step 5: Solve for x
    x = 11,621,811,747,090,566/123,787,047.72
  6. Step 6: Final answer
    x = 93,885,523.25

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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.