Home / 131,415,668.54-181,376,387.28-79,204,772.37

Finding the Fourth Proportional to 131,415,668.54, 181,376,387.28 and 79,204,772.37

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Solution

The fourth proportional to 131,415,668.54, 181,376,387.28 and 79,204,772.37 is: 109,316,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,415,668.54 : 181,376,387.28 = 79,204,772.37 : x
  2. Step 2: Convert to fraction form
    131,415,668.54/181,376,387.28 = 79,204,772.37/x
  3. Step 3: Cross multiply
    131,415,668.54x = 181,376,387.28 × 79,204,772.37
  4. Step 4: Simplify right side
    131,415,668.54x = 14,365,875,467,805,364
  5. Step 5: Solve for x
    x = 14,365,875,467,805,364/131,415,668.54
  6. Step 6: Final answer
    x = 109,316,306.25

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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.