Home / 200,273,309.32-276,289,127.70-120,844,066.12

Finding the Fourth Proportional to 200,273,309.32, 276,289,127.70 and 120,844,066.12

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Solution

The fourth proportional to 200,273,309.32, 276,289,127.70 and 120,844,066.12 is: 166,711,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,273,309.32 : 276,289,127.70 = 120,844,066.12 : x
  2. Step 2: Convert to fraction form
    200,273,309.32/276,289,127.70 = 120,844,066.12/x
  3. Step 3: Cross multiply
    200,273,309.32x = 276,289,127.70 × 120,844,066.12
  4. Step 4: Simplify right side
    200,273,309.32x = 33,387,901,616,015,924
  5. Step 5: Solve for x
    x = 33,387,901,616,015,924/200,273,309.32
  6. Step 6: Final answer
    x = 166,711,688.79

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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.