Home / 148,032,004.80-222,048,007.20-133,419,345.60

Finding the Fourth Proportional to 148,032,004.80, 222,048,007.20 and 133,419,345.60

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Solution

The fourth proportional to 148,032,004.80, 222,048,007.20 and 133,419,345.60 is: 200,129,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,032,004.80 : 222,048,007.20 = 133,419,345.60 : x
  2. Step 2: Convert to fraction form
    148,032,004.80/222,048,007.20 = 133,419,345.60/x
  3. Step 3: Cross multiply
    148,032,004.80x = 222,048,007.20 × 133,419,345.60
  4. Step 4: Simplify right side
    148,032,004.80x = 29,625,499,812,408,084
  5. Step 5: Solve for x
    x = 29,625,499,812,408,084/148,032,004.80
  6. Step 6: Final answer
    x = 200,129,018.40

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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.