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Finding the Fourth Proportional to 158,490,346.80, 222,188,816.40 and 158,490,346.80

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Solution

The fourth proportional to 158,490,346.80, 222,188,816.40 and 158,490,346.80 is: 222,188,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,490,346.80 : 222,188,816.40 = 158,490,346.80 : x
  2. Step 2: Convert to fraction form
    158,490,346.80/222,188,816.40 = 158,490,346.80/x
  3. Step 3: Cross multiply
    158,490,346.80x = 222,188,816.40 × 158,490,346.80
  4. Step 4: Simplify right side
    158,490,346.80x = 35,214,782,566,317,532
  5. Step 5: Solve for x
    x = 35,214,782,566,317,532/158,490,346.80
  6. Step 6: Final answer
    x = 222,188,816.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.