Home / 202,482,019.64-303,833,599.50-85,879,238.60

Finding the Fourth Proportional to 202,482,019.64, 303,833,599.50 and 85,879,238.60

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Solution

The fourth proportional to 202,482,019.64, 303,833,599.50 and 85,879,238.60 is: 128,865,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,482,019.64 : 303,833,599.50 = 85,879,238.60 : x
  2. Step 2: Convert to fraction form
    202,482,019.64/303,833,599.50 = 85,879,238.60/x
  3. Step 3: Cross multiply
    202,482,019.64x = 303,833,599.50 × 85,879,238.60
  4. Step 4: Simplify right side
    202,482,019.64x = 26,092,998,186,157,340
  5. Step 5: Solve for x
    x = 26,092,998,186,157,340/202,482,019.64
  6. Step 6: Final answer
    x = 128,865,754.27

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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.