Home / 137,853,348.72-190,265,850.48-82,131,411.36

Finding the Fourth Proportional to 137,853,348.72, 190,265,850.48 and 82,131,411.36

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Solution

The fourth proportional to 137,853,348.72, 190,265,850.48 and 82,131,411.36 is: 113,358,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,853,348.72 : 190,265,850.48 = 82,131,411.36 : x
  2. Step 2: Convert to fraction form
    137,853,348.72/190,265,850.48 = 82,131,411.36/x
  3. Step 3: Cross multiply
    137,853,348.72x = 190,265,850.48 × 82,131,411.36
  4. Step 4: Simplify right side
    137,853,348.72x = 15,626,802,833,533,132
  5. Step 5: Solve for x
    x = 15,626,802,833,533,132/137,853,348.72
  6. Step 6: Final answer
    x = 113,358,166.33

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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.