Home / 53,758,020.40-80,668,523.40-19,682,810.80

Finding the Fourth Proportional to 53,758,020.40, 80,668,523.40 and 19,682,810.80

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Solution

The fourth proportional to 53,758,020.40, 80,668,523.40 and 19,682,810.80 is: 29,535,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,758,020.40 : 80,668,523.40 = 19,682,810.80 : x
  2. Step 2: Convert to fraction form
    53,758,020.40/80,668,523.40 = 19,682,810.80/x
  3. Step 3: Cross multiply
    53,758,020.40x = 80,668,523.40 × 19,682,810.80
  4. Step 4: Simplify right side
    53,758,020.40x = 1,587,783,283,597,573
  5. Step 5: Solve for x
    x = 1,587,783,283,597,573/53,758,020.40
  6. Step 6: Final answer
    x = 29,535,746.89

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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.