Home / 140,403,768.03-210,195,851.96-81,932,267.25

Finding the Fourth Proportional to 140,403,768.03, 210,195,851.96 and 81,932,267.25

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Solution

The fourth proportional to 140,403,768.03, 210,195,851.96 and 81,932,267.25 is: 122,659,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,403,768.03 : 210,195,851.96 = 81,932,267.25 : x
  2. Step 2: Convert to fraction form
    140,403,768.03/210,195,851.96 = 81,932,267.25/x
  3. Step 3: Cross multiply
    140,403,768.03x = 210,195,851.96 × 81,932,267.25
  4. Step 4: Simplify right side
    140,403,768.03x = 17,221,822,717,628,156
  5. Step 5: Solve for x
    x = 17,221,822,717,628,156/140,403,768.03
  6. Step 6: Final answer
    x = 122,659,263.06

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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.