Home / 203,185,095.76-280,418,693.04-113,901,154.64

Finding the Fourth Proportional to 203,185,095.76, 280,418,693.04 and 113,901,154.64

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Solution

The fourth proportional to 203,185,095.76, 280,418,693.04 and 113,901,154.64 is: 157,196,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185,095.76 : 280,418,693.04 = 113,901,154.64 : x
  2. Step 2: Convert to fraction form
    203,185,095.76/280,418,693.04 = 113,901,154.64/x
  3. Step 3: Cross multiply
    203,185,095.76x = 280,418,693.04 × 113,901,154.64
  4. Step 4: Simplify right side
    203,185,095.76x = 31,940,012,919,895,736
  5. Step 5: Solve for x
    x = 31,940,012,919,895,736/203,185,095.76
  6. Step 6: Final answer
    x = 157,196,632.95

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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.