Home / 71,132,598.59-98,161,706.49-40,192,103.57

Finding the Fourth Proportional to 71,132,598.59, 98,161,706.49 and 40,192,103.57

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Solution

The fourth proportional to 71,132,598.59, 98,161,706.49 and 40,192,103.57 is: 55,464,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132,598.59 : 98,161,706.49 = 40,192,103.57 : x
  2. Step 2: Convert to fraction form
    71,132,598.59/98,161,706.49 = 40,192,103.57/x
  3. Step 3: Cross multiply
    71,132,598.59x = 98,161,706.49 × 40,192,103.57
  4. Step 4: Simplify right side
    71,132,598.59x = 3,945,325,473,854,021
  5. Step 5: Solve for x
    x = 3,945,325,473,854,021/71,132,598.59
  6. Step 6: Final answer
    x = 55,464,379.93

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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.