Home / 154,081,936.74-212,632,293.08-83,517,262.74

Finding the Fourth Proportional to 154,081,936.74, 212,632,293.08 and 83,517,262.74

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Solution

The fourth proportional to 154,081,936.74, 212,632,293.08 and 83,517,262.74 is: 115,253,400.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,081,936.74 : 212,632,293.08 = 83,517,262.74 : x
  2. Step 2: Convert to fraction form
    154,081,936.74/212,632,293.08 = 83,517,262.74/x
  3. Step 3: Cross multiply
    154,081,936.74x = 212,632,293.08 × 83,517,262.74
  4. Step 4: Simplify right side
    154,081,936.74x = 17,758,467,087,753,456
  5. Step 5: Solve for x
    x = 17,758,467,087,753,456/154,081,936.74
  6. Step 6: Final answer
    x = 115,253,400.00

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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.