Home / 137,853,323.16-190,265,815.44-82,131,386.04

Finding the Fourth Proportional to 137,853,323.16, 190,265,815.44 and 82,131,386.04

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Solution

The fourth proportional to 137,853,323.16, 190,265,815.44 and 82,131,386.04 is: 113,358,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,853,323.16 : 190,265,815.44 = 82,131,386.04 : x
  2. Step 2: Convert to fraction form
    137,853,323.16/190,265,815.44 = 82,131,386.04/x
  3. Step 3: Cross multiply
    137,853,323.16x = 190,265,815.44 × 82,131,386.04
  4. Step 4: Simplify right side
    137,853,323.16x = 15,626,795,138,118,034
  5. Step 5: Solve for x
    x = 15,626,795,138,118,034/137,853,323.16
  6. Step 6: Final answer
    x = 113,358,131.53

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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.