Home / 148,032,072.80-222,048,109.20-145,512,648.80

Finding the Fourth Proportional to 148,032,072.80, 222,048,109.20 and 145,512,648.80

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Solution

The fourth proportional to 148,032,072.80, 222,048,109.20 and 145,512,648.80 is: 218,268,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,032,072.80 : 222,048,109.20 = 145,512,648.80 : x
  2. Step 2: Convert to fraction form
    148,032,072.80/222,048,109.20 = 145,512,648.80/x
  3. Step 3: Cross multiply
    148,032,072.80x = 222,048,109.20 × 145,512,648.80
  4. Step 4: Simplify right side
    148,032,072.80x = 32,310,808,530,723,648
  5. Step 5: Solve for x
    x = 32,310,808,530,723,648/148,032,072.80
  6. Step 6: Final answer
    x = 218,268,973.20

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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.