Home / 199,505,729.08-298,994,036.82-102,457,516.60

Finding the Fourth Proportional to 199,505,729.08, 298,994,036.82 and 102,457,516.60

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Solution

The fourth proportional to 199,505,729.08, 298,994,036.82 and 102,457,516.60 is: 153,550,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,505,729.08 : 298,994,036.82 = 102,457,516.60 : x
  2. Step 2: Convert to fraction form
    199,505,729.08/298,994,036.82 = 102,457,516.60/x
  3. Step 3: Cross multiply
    199,505,729.08x = 298,994,036.82 × 102,457,516.60
  4. Step 4: Simplify right side
    199,505,729.08x = 30,634,186,490,786,160
  5. Step 5: Solve for x
    x = 30,634,186,490,786,160/199,505,729.08
  6. Step 6: Final answer
    x = 153,550,409.97

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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.