Home / 147,958,784.06-204,178,094.47-81,882,067.32

Finding the Fourth Proportional to 147,958,784.06, 204,178,094.47 and 81,882,067.32

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Solution

The fourth proportional to 147,958,784.06, 204,178,094.47 and 81,882,067.32 is: 112,994,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,958,784.06 : 204,178,094.47 = 81,882,067.32 : x
  2. Step 2: Convert to fraction form
    147,958,784.06/204,178,094.47 = 81,882,067.32/x
  3. Step 3: Cross multiply
    147,958,784.06x = 204,178,094.47 × 81,882,067.32
  4. Step 4: Simplify right side
    147,958,784.06x = 16,718,524,476,302,396
  5. Step 5: Solve for x
    x = 16,718,524,476,302,396/147,958,784.06
  6. Step 6: Final answer
    x = 112,994,470.61

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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.