Home / 202,482,062.64-303,833,664.12-85,879,281.60

Finding the Fourth Proportional to 202,482,062.64, 303,833,664.12 and 85,879,281.60

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Solution

The fourth proportional to 202,482,062.64, 303,833,664.12 and 85,879,281.60 is: 128,865,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,482,062.64 : 303,833,664.12 = 85,879,281.60 : x
  2. Step 2: Convert to fraction form
    202,482,062.64/303,833,664.12 = 85,879,281.60/x
  3. Step 3: Cross multiply
    202,482,062.64x = 303,833,664.12 × 85,879,281.60
  4. Step 4: Simplify right side
    202,482,062.64x = 26,093,016,800,521,296
  5. Step 5: Solve for x
    x = 26,093,016,800,521,296/202,482,062.64
  6. Step 6: Final answer
    x = 128,865,818.83

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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.