Home / 312,724,003.76-431,558,957.88-171,596,150.84

Finding the Fourth Proportional to 312,724,003.76, 431,558,957.88 and 171,596,150.84

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Solution

The fourth proportional to 312,724,003.76, 431,558,957.88 and 171,596,150.84 is: 236,802,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,724,003.76 : 431,558,957.88 = 171,596,150.84 : x
  2. Step 2: Convert to fraction form
    312,724,003.76/431,558,957.88 = 171,596,150.84/x
  3. Step 3: Cross multiply
    312,724,003.76x = 431,558,957.88 × 171,596,150.84
  4. Step 4: Simplify right side
    312,724,003.76x = 74,053,856,032,729,680
  5. Step 5: Solve for x
    x = 74,053,856,032,729,680/312,724,003.76
  6. Step 6: Final answer
    x = 236,802,596.35

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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.