Home / 42,774,650.80-64,161,976.20-41,262,996.40

Finding the Fourth Proportional to 42,774,650.80, 64,161,976.20 and 41,262,996.40

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Solution

The fourth proportional to 42,774,650.80, 64,161,976.20 and 41,262,996.40 is: 61,894,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774,650.80 : 64,161,976.20 = 41,262,996.40 : x
  2. Step 2: Convert to fraction form
    42,774,650.80/64,161,976.20 = 41,262,996.40/x
  3. Step 3: Cross multiply
    42,774,650.80x = 64,161,976.20 × 41,262,996.40
  4. Step 4: Simplify right side
    42,774,650.80x = 2,647,515,392,957,485.50
  5. Step 5: Solve for x
    x = 2,647,515,392,957,485.50/42,774,650.80
  6. Step 6: Final answer
    x = 61,894,494.60

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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.