Home / 81,117,458.67-111,942,092.43-44,447,242.35

Finding the Fourth Proportional to 81,117,458.67, 111,942,092.43 and 44,447,242.35

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Solution

The fourth proportional to 81,117,458.67, 111,942,092.43 and 44,447,242.35 is: 61,337,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,117,458.67 : 111,942,092.43 = 44,447,242.35 : x
  2. Step 2: Convert to fraction form
    81,117,458.67/111,942,092.43 = 44,447,242.35/x
  3. Step 3: Cross multiply
    81,117,458.67x = 111,942,092.43 × 44,447,242.35
  4. Step 4: Simplify right side
    81,117,458.67x = 4,975,517,311,402,311
  5. Step 5: Solve for x
    x = 4,975,517,311,402,311/81,117,458.67
  6. Step 6: Final answer
    x = 61,337,194.15

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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.