Home / 67,756,868.20-101,467,340.70-54,319,940.20

Finding the Fourth Proportional to 67,756,868.20, 101,467,340.70 and 54,319,940.20

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Solution

The fourth proportional to 67,756,868.20, 101,467,340.70 and 54,319,940.20 is: 81,345,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,756,868.20 : 101,467,340.70 = 54,319,940.20 : x
  2. Step 2: Convert to fraction form
    67,756,868.20/101,467,340.70 = 54,319,940.20/x
  3. Step 3: Cross multiply
    67,756,868.20x = 101,467,340.70 × 54,319,940.20
  4. Step 4: Simplify right side
    67,756,868.20x = 5,511,699,879,077,027
  5. Step 5: Solve for x
    x = 5,511,699,879,077,027/67,756,868.20
  6. Step 6: Final answer
    x = 81,345,257.32

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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.