Home / 203,185,084.77-280,418,677.83-113,901,143.63

Finding the Fourth Proportional to 203,185,084.77, 280,418,677.83 and 113,901,143.63

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Solution

The fourth proportional to 203,185,084.77, 280,418,677.83 and 113,901,143.63 is: 157,196,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185,084.77 : 280,418,677.83 = 113,901,143.63 : x
  2. Step 2: Convert to fraction form
    203,185,084.77/280,418,677.83 = 113,901,143.63/x
  3. Step 3: Cross multiply
    203,185,084.77x = 280,418,677.83 × 113,901,143.63
  4. Step 4: Simplify right side
    203,185,084.77x = 31,940,008,100,049,524
  5. Step 5: Solve for x
    x = 31,940,008,100,049,524/203,185,084.77
  6. Step 6: Final answer
    x = 157,196,617.74

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1.5x scale

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.