Home / 205,015,503.16-282,921,209.94-115,726,245.76

Finding the Fourth Proportional to 205,015,503.16, 282,921,209.94 and 115,726,245.76

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Solution

The fourth proportional to 205,015,503.16, 282,921,209.94 and 115,726,245.76 is: 159,702,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,015,503.16 : 282,921,209.94 = 115,726,245.76 : x
  2. Step 2: Convert to fraction form
    205,015,503.16/282,921,209.94 = 115,726,245.76/x
  3. Step 3: Cross multiply
    205,015,503.16x = 282,921,209.94 × 115,726,245.76
  4. Step 4: Simplify right side
    205,015,503.16x = 32,741,409,472,232,996
  5. Step 5: Solve for x
    x = 32,741,409,472,232,996/205,015,503.16
  6. Step 6: Final answer
    x = 159,702,115.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.