Home / 138,227,219.27-190,752,273.06-75,503,293.22

Finding the Fourth Proportional to 138,227,219.27, 190,752,273.06 and 75,503,293.22

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Solution

The fourth proportional to 138,227,219.27, 190,752,273.06 and 75,503,293.22 is: 104,193,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,227,219.27 : 190,752,273.06 = 75,503,293.22 : x
  2. Step 2: Convert to fraction form
    138,227,219.27/190,752,273.06 = 75,503,293.22/x
  3. Step 3: Cross multiply
    138,227,219.27x = 190,752,273.06 × 75,503,293.22
  4. Step 4: Simplify right side
    138,227,219.27x = 14,402,424,805,424,430
  5. Step 5: Solve for x
    x = 14,402,424,805,424,430/138,227,219.27
  6. Step 6: Final answer
    x = 104,193,840.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.