Home / 148,048,400.10-222,072,600.15-143,796,872.10

Finding the Fourth Proportional to 148,048,400.10, 222,072,600.15 and 143,796,872.10

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Solution

The fourth proportional to 148,048,400.10, 222,072,600.15 and 143,796,872.10 is: 215,695,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,048,400.10 : 222,072,600.15 = 143,796,872.10 : x
  2. Step 2: Convert to fraction form
    148,048,400.10/222,072,600.15 = 143,796,872.10/x
  3. Step 3: Cross multiply
    148,048,400.10x = 222,072,600.15 × 143,796,872.10
  4. Step 4: Simplify right side
    148,048,400.10x = 31,933,345,280,683,992
  5. Step 5: Solve for x
    x = 31,933,345,280,683,992/148,048,400.10
  6. Step 6: Final answer
    x = 215,695,308.15

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1.5x scale

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.