Home / 192,457,331.20-288,119,126.40-181,245,894.40

Finding the Fourth Proportional to 192,457,331.20, 288,119,126.40 and 181,245,894.40

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Solution

The fourth proportional to 192,457,331.20, 288,119,126.40 and 181,245,894.40 is: 271,334,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457,331.20 : 288,119,126.40 = 181,245,894.40 : x
  2. Step 2: Convert to fraction form
    192,457,331.20/288,119,126.40 = 181,245,894.40/x
  3. Step 3: Cross multiply
    192,457,331.20x = 288,119,126.40 × 181,245,894.40
  4. Step 4: Simplify right side
    192,457,331.20x = 52,220,408,758,114,648
  5. Step 5: Solve for x
    x = 52,220,408,758,114,648/192,457,331.20
  6. Step 6: Final answer
    x = 271,334,993.75

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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.