Home / 109,587,699.72-164,405,107.66-31,865,954.28

Finding the Fourth Proportional to 109,587,699.72, 164,405,107.66 and 31,865,954.28

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Solution

The fourth proportional to 109,587,699.72, 164,405,107.66 and 31,865,954.28 is: 47,805,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,587,699.72 : 164,405,107.66 = 31,865,954.28 : x
  2. Step 2: Convert to fraction form
    109,587,699.72/164,405,107.66 = 31,865,954.28/x
  3. Step 3: Cross multiply
    109,587,699.72x = 164,405,107.66 × 31,865,954.28
  4. Step 4: Simplify right side
    109,587,699.72x = 5,238,925,644,092,038
  5. Step 5: Solve for x
    x = 5,238,925,644,092,038/109,587,699.72
  6. Step 6: Final answer
    x = 47,805,781.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.