Home / 146,897,267.40-220,487,618.70-74,196,138.60

Finding the Fourth Proportional to 146,897,267.40, 220,487,618.70 and 74,196,138.60

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Solution

The fourth proportional to 146,897,267.40, 220,487,618.70 and 74,196,138.60 is: 111,365,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,897,267.40 : 220,487,618.70 = 74,196,138.60 : x
  2. Step 2: Convert to fraction form
    146,897,267.40/220,487,618.70 = 74,196,138.60/x
  3. Step 3: Cross multiply
    146,897,267.40x = 220,487,618.70 × 74,196,138.60
  4. Step 4: Simplify right side
    146,897,267.40x = 16,359,329,916,649,150
  5. Step 5: Solve for x
    x = 16,359,329,916,649,150/146,897,267.40
  6. Step 6: Final answer
    x = 111,365,787.85

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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.