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Finding the Fourth Proportional to 199,379,945.60, 299,110,353.60 and 113,159,657.60

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Solution

The fourth proportional to 199,379,945.60, 299,110,353.60 and 113,159,657.60 is: 169,762,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,379,945.60 : 299,110,353.60 = 113,159,657.60 : x
  2. Step 2: Convert to fraction form
    199,379,945.60/299,110,353.60 = 113,159,657.60/x
  3. Step 3: Cross multiply
    199,379,945.60x = 299,110,353.60 × 113,159,657.60
  4. Step 4: Simplify right side
    199,379,945.60x = 33,847,225,197,990,928
  5. Step 5: Solve for x
    x = 33,847,225,197,990,928/199,379,945.60
  6. Step 6: Final answer
    x = 169,762,435.72

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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.