Home / 83,109,739.60-124,664,609.40-37,760,107.60

Finding the Fourth Proportional to 83,109,739.60, 124,664,609.40 and 37,760,107.60

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Solution

The fourth proportional to 83,109,739.60, 124,664,609.40 and 37,760,107.60 is: 56,640,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,109,739.60 : 124,664,609.40 = 37,760,107.60 : x
  2. Step 2: Convert to fraction form
    83,109,739.60/124,664,609.40 = 37,760,107.60/x
  3. Step 3: Cross multiply
    83,109,739.60x = 124,664,609.40 × 37,760,107.60
  4. Step 4: Simplify right side
    83,109,739.60x = 4,707,349,064,855,972
  5. Step 5: Solve for x
    x = 4,707,349,064,855,972/83,109,739.60
  6. Step 6: Final answer
    x = 56,640,161.40

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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.