Home / 202,482,020.64-303,833,601-85,879,239.60

Finding the Fourth Proportional to 202,482,020.64, 303,833,601 and 85,879,239.60

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Solution

The fourth proportional to 202,482,020.64, 303,833,601 and 85,879,239.60 is: 128,865,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,482,020.64 : 303,833,601 = 85,879,239.60 : x
  2. Step 2: Convert to fraction form
    202,482,020.64/303,833,601 = 85,879,239.60/x
  3. Step 3: Cross multiply
    202,482,020.64x = 303,833,601 × 85,879,239.60
  4. Step 4: Simplify right side
    202,482,020.64x = 26,092,998,618,809,796
  5. Step 5: Solve for x
    x = 26,092,998,618,809,796/202,482,020.64
  6. Step 6: Final answer
    x = 128,865,755.77

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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.