Home / 105,505,167.36-145,258,744.32-82,270,479.36

Finding the Fourth Proportional to 105,505,167.36, 145,258,744.32 and 82,270,479.36

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Solution

The fourth proportional to 105,505,167.36, 145,258,744.32 and 82,270,479.36 is: 113,269,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,505,167.36 : 145,258,744.32 = 82,270,479.36 : x
  2. Step 2: Convert to fraction form
    105,505,167.36/145,258,744.32 = 82,270,479.36/x
  3. Step 3: Cross multiply
    105,505,167.36x = 145,258,744.32 × 82,270,479.36
  4. Step 4: Simplify right side
    105,505,167.36x = 11,950,506,526,438,076
  5. Step 5: Solve for x
    x = 11,950,506,526,438,076/105,505,167.36
  6. Step 6: Final answer
    x = 113,269,395.48

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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.