Home / 120,165,466.60-180,270,639.34-54,591,208.60

Finding the Fourth Proportional to 120,165,466.60, 180,270,639.34 and 54,591,208.60

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Solution

The fourth proportional to 120,165,466.60, 180,270,639.34 and 54,591,208.60 is: 81,897,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,165,466.60 : 180,270,639.34 = 54,591,208.60 : x
  2. Step 2: Convert to fraction form
    120,165,466.60/180,270,639.34 = 54,591,208.60/x
  3. Step 3: Cross multiply
    120,165,466.60x = 180,270,639.34 × 54,591,208.60
  4. Step 4: Simplify right side
    120,165,466.60x = 9,841,192,076,665,306
  5. Step 5: Solve for x
    x = 9,841,192,076,665,306/120,165,466.60
  6. Step 6: Final answer
    x = 81,897,007.14

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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.