Home / 144,642,874.96-216,968,811.94-68,823,211.64

Finding the Fourth Proportional to 144,642,874.96, 216,968,811.94 and 68,823,211.64

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Solution

The fourth proportional to 144,642,874.96, 216,968,811.94 and 68,823,211.64 is: 103,236,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,642,874.96 : 216,968,811.94 = 68,823,211.64 : x
  2. Step 2: Convert to fraction form
    144,642,874.96/216,968,811.94 = 68,823,211.64/x
  3. Step 3: Cross multiply
    144,642,874.96x = 216,968,811.94 × 68,823,211.64
  4. Step 4: Simplify right side
    144,642,874.96x = 14,932,490,463,425,978
  5. Step 5: Solve for x
    x = 14,932,490,463,425,978/144,642,874.96
  6. Step 6: Final answer
    x = 103,236,958.39

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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.