Home / 53,657,408.20-80,486,112.30-49,512,168.40

Finding the Fourth Proportional to 53,657,408.20, 80,486,112.30 and 49,512,168.40

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Solution

The fourth proportional to 53,657,408.20, 80,486,112.30 and 49,512,168.40 is: 74,268,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,657,408.20 : 80,486,112.30 = 49,512,168.40 : x
  2. Step 2: Convert to fraction form
    53,657,408.20/80,486,112.30 = 49,512,168.40/x
  3. Step 3: Cross multiply
    53,657,408.20x = 80,486,112.30 × 49,512,168.40
  4. Step 4: Simplify right side
    53,657,408.20x = 3,985,041,946,058,911
  5. Step 5: Solve for x
    x = 3,985,041,946,058,911/53,657,408.20
  6. Step 6: Final answer
    x = 74,268,252.60

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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.