Home / 127,328,849.75-190,993,036.23-39,897,060.08

Finding the Fourth Proportional to 127,328,849.75, 190,993,036.23 and 39,897,060.08

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Solution

The fourth proportional to 127,328,849.75, 190,993,036.23 and 39,897,060.08 is: 59,845,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328,849.75 : 190,993,036.23 = 39,897,060.08 : x
  2. Step 2: Convert to fraction form
    127,328,849.75/190,993,036.23 = 39,897,060.08/x
  3. Step 3: Cross multiply
    127,328,849.75x = 190,993,036.23 × 39,897,060.08
  4. Step 4: Simplify right side
    127,328,849.75x = 7,620,060,640,374,962
  5. Step 5: Solve for x
    x = 7,620,060,640,374,962/127,328,849.75
  6. Step 6: Final answer
    x = 59,845,515.41

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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.