Home / 69,677,113.60-104,519,738.24-21,156,550.40

Finding the Fourth Proportional to 69,677,113.60, 104,519,738.24 and 21,156,550.40

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Solution

The fourth proportional to 69,677,113.60, 104,519,738.24 and 21,156,550.40 is: 31,736,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,677,113.60 : 104,519,738.24 = 21,156,550.40 : x
  2. Step 2: Convert to fraction form
    69,677,113.60/104,519,738.24 = 21,156,550.40/x
  3. Step 3: Cross multiply
    69,677,113.60x = 104,519,738.24 × 21,156,550.40
  4. Step 4: Simplify right side
    69,677,113.60x = 2,211,277,109,869,367
  5. Step 5: Solve for x
    x = 2,211,277,109,869,367/69,677,113.60
  6. Step 6: Final answer
    x = 31,736,060.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.