Home / 206,631,949.72-285,152,074.67-113,812,457.57

Finding the Fourth Proportional to 206,631,949.72, 285,152,074.67 and 113,812,457.57

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Solution

The fourth proportional to 206,631,949.72, 285,152,074.67 and 113,812,457.57 is: 157,061,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,631,949.72 : 285,152,074.67 = 113,812,457.57 : x
  2. Step 2: Convert to fraction form
    206,631,949.72/285,152,074.67 = 113,812,457.57/x
  3. Step 3: Cross multiply
    206,631,949.72x = 285,152,074.67 × 113,812,457.57
  4. Step 4: Simplify right side
    206,631,949.72x = 32,453,858,400,374,260
  5. Step 5: Solve for x
    x = 32,453,858,400,374,260/206,631,949.72
  6. Step 6: Final answer
    x = 157,061,182.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.