Home / 127,328,834.09-190,993,012.74-39,897,044.38

Finding the Fourth Proportional to 127,328,834.09, 190,993,012.74 and 39,897,044.38

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Solution

The fourth proportional to 127,328,834.09, 190,993,012.74 and 39,897,044.38 is: 59,845,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328,834.09 : 190,993,012.74 = 39,897,044.38 : x
  2. Step 2: Convert to fraction form
    127,328,834.09/190,993,012.74 = 39,897,044.38/x
  3. Step 3: Cross multiply
    127,328,834.09x = 190,993,012.74 × 39,897,044.38
  4. Step 4: Simplify right side
    127,328,834.09x = 7,620,056,706,079,532
  5. Step 5: Solve for x
    x = 7,620,056,706,079,532/127,328,834.09
  6. Step 6: Final answer
    x = 59,845,491.88

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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.