Home / 146,897,266.40-220,487,617.20-74,196,137.60

Finding the Fourth Proportional to 146,897,266.40, 220,487,617.20 and 74,196,137.60

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Solution

The fourth proportional to 146,897,266.40, 220,487,617.20 and 74,196,137.60 is: 111,365,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,897,266.40 : 220,487,617.20 = 74,196,137.60 : x
  2. Step 2: Convert to fraction form
    146,897,266.40/220,487,617.20 = 74,196,137.60/x
  3. Step 3: Cross multiply
    146,897,266.40x = 220,487,617.20 × 74,196,137.60
  4. Step 4: Simplify right side
    146,897,266.40x = 16,359,329,584,867,324
  5. Step 5: Solve for x
    x = 16,359,329,584,867,324/146,897,266.40
  6. Step 6: Final answer
    x = 111,365,786.35

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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.