Home / 61,238,020.20-91,750,742.10-39,661,515.60

Finding the Fourth Proportional to 61,238,020.20, 91,750,742.10 and 39,661,515.60

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Solution

The fourth proportional to 61,238,020.20, 91,750,742.10 and 39,661,515.60 is: 59,423,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238,020.20 : 91,750,742.10 = 39,661,515.60 : x
  2. Step 2: Convert to fraction form
    61,238,020.20/91,750,742.10 = 39,661,515.60/x
  3. Step 3: Cross multiply
    61,238,020.20x = 91,750,742.10 × 39,661,515.60
  4. Step 4: Simplify right side
    61,238,020.20x = 3,638,973,489,110,726.50
  5. Step 5: Solve for x
    x = 3,638,973,489,110,726.50/61,238,020.20
  6. Step 6: Final answer
    x = 59,423,434.61

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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.