Home / 139,968,144.70-209,952,217.05-96,885,994.30

Finding the Fourth Proportional to 139,968,144.70, 209,952,217.05 and 96,885,994.30

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Solution

The fourth proportional to 139,968,144.70, 209,952,217.05 and 96,885,994.30 is: 145,328,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,144.70 : 209,952,217.05 = 96,885,994.30 : x
  2. Step 2: Convert to fraction form
    139,968,144.70/209,952,217.05 = 96,885,994.30/x
  3. Step 3: Cross multiply
    139,968,144.70x = 209,952,217.05 × 96,885,994.30
  4. Step 4: Simplify right side
    139,968,144.70x = 20,341,429,304,378,664
  5. Step 5: Solve for x
    x = 20,341,429,304,378,664/139,968,144.70
  6. Step 6: Final answer
    x = 145,328,991.45

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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.