Home / 303,756,768.82-455,631,831.69-73,725,853.47

Finding the Fourth Proportional to 303,756,768.82, 455,631,831.69 and 73,725,853.47

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Solution

The fourth proportional to 303,756,768.82, 455,631,831.69 and 73,725,853.47 is: 110,587,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,756,768.82 : 455,631,831.69 = 73,725,853.47 : x
  2. Step 2: Convert to fraction form
    303,756,768.82/455,631,831.69 = 73,725,853.47/x
  3. Step 3: Cross multiply
    303,756,768.82x = 455,631,831.69 × 73,725,853.47
  4. Step 4: Simplify right side
    303,756,768.82x = 33,591,845,659,444,640
  5. Step 5: Solve for x
    x = 33,591,845,659,444,640/303,756,768.82
  6. Step 6: Final answer
    x = 110,587,974.02

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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.