Home / 148,365,143-204,740,847.30-82,274,976.20

Finding the Fourth Proportional to 148,365,143, 204,740,847.30 and 82,274,976.20

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Solution

The fourth proportional to 148,365,143, 204,740,847.30 and 82,274,976.20 is: 113,537,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,365,143 : 204,740,847.30 = 82,274,976.20 : x
  2. Step 2: Convert to fraction form
    148,365,143/204,740,847.30 = 82,274,976.20/x
  3. Step 3: Cross multiply
    148,365,143x = 204,740,847.30 × 82,274,976.20
  4. Step 4: Simplify right side
    148,365,143x = 16,845,048,338,775,336
  5. Step 5: Solve for x
    x = 16,845,048,338,775,336/148,365,143
  6. Step 6: Final answer
    x = 113,537,775.78

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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.