Home / 49,034,972.02-67,668,258.18-28,420,375.63

Finding the Fourth Proportional to 49,034,972.02, 67,668,258.18 and 28,420,375.63

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Solution

The fourth proportional to 49,034,972.02, 67,668,258.18 and 28,420,375.63 is: 39,220,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,034,972.02 : 67,668,258.18 = 28,420,375.63 : x
  2. Step 2: Convert to fraction form
    49,034,972.02/67,668,258.18 = 28,420,375.63/x
  3. Step 3: Cross multiply
    49,034,972.02x = 67,668,258.18 × 28,420,375.63
  4. Step 4: Simplify right side
    49,034,972.02x = 1,923,157,315,703,420.25
  5. Step 5: Solve for x
    x = 1,923,157,315,703,420.25/49,034,972.02
  6. Step 6: Final answer
    x = 39,220,116.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.