Home / 102,976,211.06-142,067,121.18-58,311,930.20

Finding the Fourth Proportional to 102,976,211.06, 142,067,121.18 and 58,311,930.20

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Solution

The fourth proportional to 102,976,211.06, 142,067,121.18 and 58,311,930.20 is: 80,447,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,976,211.06 : 142,067,121.18 = 58,311,930.20 : x
  2. Step 2: Convert to fraction form
    102,976,211.06/142,067,121.18 = 58,311,930.20/x
  3. Step 3: Cross multiply
    102,976,211.06x = 142,067,121.18 × 58,311,930.20
  4. Step 4: Simplify right side
    102,976,211.06x = 8,284,208,053,963,102
  5. Step 5: Solve for x
    x = 8,284,208,053,963,102/102,976,211.06
  6. Step 6: Final answer
    x = 80,447,784.67

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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.