Home / 78,557,044.66-108,412,085.21-43,749,735.19

Finding the Fourth Proportional to 78,557,044.66, 108,412,085.21 and 43,749,735.19

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Solution

The fourth proportional to 78,557,044.66, 108,412,085.21 and 43,749,735.19 is: 60,376,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,557,044.66 : 108,412,085.21 = 43,749,735.19 : x
  2. Step 2: Convert to fraction form
    78,557,044.66/108,412,085.21 = 43,749,735.19/x
  3. Step 3: Cross multiply
    78,557,044.66x = 108,412,085.21 × 43,749,735.19
  4. Step 4: Simplify right side
    78,557,044.66x = 4,743,000,018,843,437
  5. Step 5: Solve for x
    x = 4,743,000,018,843,437/78,557,044.66
  6. Step 6: Final answer
    x = 60,376,507.79

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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.