Home / 121,761,684.90-182,668,370.40-39,874,514.58

Finding the Fourth Proportional to 121,761,684.90, 182,668,370.40 and 39,874,514.58

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Solution

The fourth proportional to 121,761,684.90, 182,668,370.40 and 39,874,514.58 is: 59,820,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,761,684.90 : 182,668,370.40 = 39,874,514.58 : x
  2. Step 2: Convert to fraction form
    121,761,684.90/182,668,370.40 = 39,874,514.58/x
  3. Step 3: Cross multiply
    121,761,684.90x = 182,668,370.40 × 39,874,514.58
  4. Step 4: Simplify right side
    121,761,684.90x = 7,283,812,598,819,640
  5. Step 5: Solve for x
    x = 7,283,812,598,819,640/121,761,684.90
  6. Step 6: Final answer
    x = 59,820,234.95

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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.