Home / 127,328,881.91-190,993,084.43-39,897,092.28

Finding the Fourth Proportional to 127,328,881.91, 190,993,084.43 and 39,897,092.28

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Solution

The fourth proportional to 127,328,881.91, 190,993,084.43 and 39,897,092.28 is: 59,845,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328,881.91 : 190,993,084.43 = 39,897,092.28 : x
  2. Step 2: Convert to fraction form
    127,328,881.91/190,993,084.43 = 39,897,092.28/x
  3. Step 3: Cross multiply
    127,328,881.91x = 190,993,084.43 × 39,897,092.28
  4. Step 4: Simplify right side
    127,328,881.91x = 7,620,068,713,693,527
  5. Step 5: Solve for x
    x = 7,620,068,713,693,527/127,328,881.91
  6. Step 6: Final answer
    x = 59,845,563.70

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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.