Home / 308,093,780.81-425,169,780.98-166,965,000.49

Finding the Fourth Proportional to 308,093,780.81, 425,169,780.98 and 166,965,000.49

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Solution

The fourth proportional to 308,093,780.81, 425,169,780.98 and 166,965,000.49 is: 230,411,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,093,780.81 : 425,169,780.98 = 166,965,000.49 : x
  2. Step 2: Convert to fraction form
    308,093,780.81/425,169,780.98 = 166,965,000.49/x
  3. Step 3: Cross multiply
    308,093,780.81x = 425,169,780.98 × 166,965,000.49
  4. Step 4: Simplify right side
    308,093,780.81x = 70,988,472,686,961,824
  5. Step 5: Solve for x
    x = 70,988,472,686,961,824/308,093,780.81
  6. Step 6: Final answer
    x = 230,411,897.64

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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.