Home / 67,829,155.76-101,789,087.77-28,976,687.48

Finding the Fourth Proportional to 67,829,155.76, 101,789,087.77 and 28,976,687.48

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Solution

The fourth proportional to 67,829,155.76, 101,789,087.77 and 28,976,687.48 is: 43,484,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,829,155.76 : 101,789,087.77 = 28,976,687.48 : x
  2. Step 2: Convert to fraction form
    67,829,155.76/101,789,087.77 = 28,976,687.48/x
  3. Step 3: Cross multiply
    67,829,155.76x = 101,789,087.77 × 28,976,687.48
  4. Step 4: Simplify right side
    67,829,155.76x = 2,949,510,585,185,580
  5. Step 5: Solve for x
    x = 2,949,510,585,185,580/67,829,155.76
  6. Step 6: Final answer
    x = 43,484,406.55

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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.