Home / 101,361,891.75-139,994,884.23-68,710,156.71

Finding the Fourth Proportional to 101,361,891.75, 139,994,884.23 and 68,710,156.71

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Solution

The fourth proportional to 101,361,891.75, 139,994,884.23 and 68,710,156.71 is: 94,898,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,361,891.75 : 139,994,884.23 = 68,710,156.71 : x
  2. Step 2: Convert to fraction form
    101,361,891.75/139,994,884.23 = 68,710,156.71/x
  3. Step 3: Cross multiply
    101,361,891.75x = 139,994,884.23 × 68,710,156.71
  4. Step 4: Simplify right side
    101,361,891.75x = 9,619,070,434,041,606
  5. Step 5: Solve for x
    x = 9,619,070,434,041,606/101,361,891.75
  6. Step 6: Final answer
    x = 94,898,292.33

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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.