Home / 308,093,782.31-425,169,783.05-166,965,001.98

Finding the Fourth Proportional to 308,093,782.31, 425,169,783.05 and 166,965,001.98

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Solution

The fourth proportional to 308,093,782.31, 425,169,783.05 and 166,965,001.98 is: 230,411,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,093,782.31 : 425,169,783.05 = 166,965,001.98 : x
  2. Step 2: Convert to fraction form
    308,093,782.31/425,169,783.05 = 166,965,001.98/x
  3. Step 3: Cross multiply
    308,093,782.31x = 425,169,783.05 × 166,965,001.98
  4. Step 4: Simplify right side
    308,093,782.31x = 70,988,473,667,944,592
  5. Step 5: Solve for x
    x = 70,988,473,667,944,592/308,093,782.31
  6. Step 6: Final answer
    x = 230,411,899.70

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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.