Home / 139,968,994.70-209,953,492.05-110,743,676.30

Finding the Fourth Proportional to 139,968,994.70, 209,953,492.05 and 110,743,676.30

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Solution

The fourth proportional to 139,968,994.70, 209,953,492.05 and 110,743,676.30 is: 166,115,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,994.70 : 209,953,492.05 = 110,743,676.30 : x
  2. Step 2: Convert to fraction form
    139,968,994.70/209,953,492.05 = 110,743,676.30/x
  3. Step 3: Cross multiply
    139,968,994.70x = 209,953,492.05 × 110,743,676.30
  4. Step 4: Simplify right side
    139,968,994.70x = 23,251,021,561,639,824
  5. Step 5: Solve for x
    x = 23,251,021,561,639,824/139,968,994.70
  6. Step 6: Final answer
    x = 166,115,514.45

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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.