Home / 308,093,782.18-425,169,782.87-166,965,001.86

Finding the Fourth Proportional to 308,093,782.18, 425,169,782.87 and 166,965,001.86

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Solution

The fourth proportional to 308,093,782.18, 425,169,782.87 and 166,965,001.86 is: 230,411,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,093,782.18 : 425,169,782.87 = 166,965,001.86 : x
  2. Step 2: Convert to fraction form
    308,093,782.18/425,169,782.87 = 166,965,001.86/x
  3. Step 3: Cross multiply
    308,093,782.18x = 425,169,782.87 × 166,965,001.86
  4. Step 4: Simplify right side
    308,093,782.18x = 70,988,473,587,705,352
  5. Step 5: Solve for x
    x = 70,988,473,587,705,352/308,093,782.18
  6. Step 6: Final answer
    x = 230,411,899.54

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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.