Home / 140,403,767.03-210,195,850.46-81,932,266.25

Finding the Fourth Proportional to 140,403,767.03, 210,195,850.46 and 81,932,266.25

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Solution

The fourth proportional to 140,403,767.03, 210,195,850.46 and 81,932,266.25 is: 122,659,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,403,767.03 : 210,195,850.46 = 81,932,266.25 : x
  2. Step 2: Convert to fraction form
    140,403,767.03/210,195,850.46 = 81,932,266.25/x
  3. Step 3: Cross multiply
    140,403,767.03x = 210,195,850.46 × 81,932,266.25
  4. Step 4: Simplify right side
    140,403,767.03x = 17,221,822,384,533,906
  5. Step 5: Solve for x
    x = 17,221,822,384,533,906/140,403,767.03
  6. Step 6: Final answer
    x = 122,659,261.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.