Home / 162,581,960.72-243,821,546.03-53,389,130.96

Finding the Fourth Proportional to 162,581,960.72, 243,821,546.03 and 53,389,130.96

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Solution

The fourth proportional to 162,581,960.72, 243,821,546.03 and 53,389,130.96 is: 80,066,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,581,960.72 : 243,821,546.03 = 53,389,130.96 : x
  2. Step 2: Convert to fraction form
    162,581,960.72/243,821,546.03 = 53,389,130.96/x
  3. Step 3: Cross multiply
    162,581,960.72x = 243,821,546.03 × 53,389,130.96
  4. Step 4: Simplify right side
    162,581,960.72x = 13,017,420,450,779,702
  5. Step 5: Solve for x
    x = 13,017,420,450,779,702/162,581,960.72
  6. Step 6: Final answer
    x = 80,066,819.18

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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.