Home / 186,940,067.97-280,159,451.43-145,490,993.76

Finding the Fourth Proportional to 186,940,067.97, 280,159,451.43 and 145,490,993.76

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Solution

The fourth proportional to 186,940,067.97, 280,159,451.43 and 145,490,993.76 is: 218,041,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,067.97 : 280,159,451.43 = 145,490,993.76 : x
  2. Step 2: Convert to fraction form
    186,940,067.97/280,159,451.43 = 145,490,993.76/x
  3. Step 3: Cross multiply
    186,940,067.97x = 280,159,451.43 × 145,490,993.76
  4. Step 4: Simplify right side
    186,940,067.97x = 40,760,676,999,807,152
  5. Step 5: Solve for x
    x = 40,760,676,999,807,152/186,940,067.97
  6. Step 6: Final answer
    x = 218,041,415.32

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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.