Home / 67,194,127.80-100,809,854.10-28,873,999.80

Finding the Fourth Proportional to 67,194,127.80, 100,809,854.10 and 28,873,999.80

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Solution

The fourth proportional to 67,194,127.80, 100,809,854.10 and 28,873,999.80 is: 43,319,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,194,127.80 : 100,809,854.10 = 28,873,999.80 : x
  2. Step 2: Convert to fraction form
    67,194,127.80/100,809,854.10 = 28,873,999.80/x
  3. Step 3: Cross multiply
    67,194,127.80x = 100,809,854.10 × 28,873,999.80
  4. Step 4: Simplify right side
    67,194,127.80x = 2,910,783,707,121,429
  5. Step 5: Solve for x
    x = 2,910,783,707,121,429/67,194,127.80
  6. Step 6: Final answer
    x = 43,319,019.12

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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.