Home / 137,853,363.72-190,265,871.18-82,131,426.36

Finding the Fourth Proportional to 137,853,363.72, 190,265,871.18 and 82,131,426.36

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Solution

The fourth proportional to 137,853,363.72, 190,265,871.18 and 82,131,426.36 is: 113,358,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,853,363.72 : 190,265,871.18 = 82,131,426.36 : x
  2. Step 2: Convert to fraction form
    137,853,363.72/190,265,871.18 = 82,131,426.36/x
  3. Step 3: Cross multiply
    137,853,363.72x = 190,265,871.18 × 82,131,426.36
  4. Step 4: Simplify right side
    137,853,363.72x = 15,626,807,387,641,416
  5. Step 5: Solve for x
    x = 15,626,807,387,641,416/137,853,363.72
  6. Step 6: Final answer
    x = 113,358,187.03

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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.