Home / 65,881,164.92-90,916,016.05-36,514,393.38

Finding the Fourth Proportional to 65,881,164.92, 90,916,016.05 and 36,514,393.38

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Solution

The fourth proportional to 65,881,164.92, 90,916,016.05 and 36,514,393.38 is: 50,389,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,881,164.92 : 90,916,016.05 = 36,514,393.38 : x
  2. Step 2: Convert to fraction form
    65,881,164.92/90,916,016.05 = 36,514,393.38/x
  3. Step 3: Cross multiply
    65,881,164.92x = 90,916,016.05 × 36,514,393.38
  4. Step 4: Simplify right side
    65,881,164.92x = 3,319,743,174,637,737
  5. Step 5: Solve for x
    x = 3,319,743,174,637,737/65,881,164.92
  6. Step 6: Final answer
    x = 50,389,867.56

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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.