Home / 71,342,377.50-98,449,186.23-40,402,768.26

Finding the Fourth Proportional to 71,342,377.50, 98,449,186.23 and 40,402,768.26

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Solution

The fourth proportional to 71,342,377.50, 98,449,186.23 and 40,402,768.26 is: 55,753,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342,377.50 : 98,449,186.23 = 40,402,768.26 : x
  2. Step 2: Convert to fraction form
    71,342,377.50/98,449,186.23 = 40,402,768.26/x
  3. Step 3: Cross multiply
    71,342,377.50x = 98,449,186.23 × 40,402,768.26
  4. Step 4: Simplify right side
    71,342,377.50x = 3,977,619,656,636,273
  5. Step 5: Solve for x
    x = 3,977,619,656,636,273/71,342,377.50
  6. Step 6: Final answer
    x = 55,753,954.33

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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.