Home / 133,632,019.60-200,746,627.80-128,555,846.80

Finding the Fourth Proportional to 133,632,019.60, 200,746,627.80 and 128,555,846.80

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Solution

The fourth proportional to 133,632,019.60, 200,746,627.80 and 128,555,846.80 is: 193,121,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,632,019.60 : 200,746,627.80 = 128,555,846.80 : x
  2. Step 2: Convert to fraction form
    133,632,019.60/200,746,627.80 = 128,555,846.80/x
  3. Step 3: Cross multiply
    133,632,019.60x = 200,746,627.80 × 128,555,846.80
  4. Step 4: Simplify right side
    133,632,019.60x = 25,807,152,729,073,420
  5. Step 5: Solve for x
    x = 25,807,152,729,073,420/133,632,019.60
  6. Step 6: Final answer
    x = 193,121,025.98

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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.