Home / 206,631,949.34-285,152,074.16-113,812,457.20

Finding the Fourth Proportional to 206,631,949.34, 285,152,074.16 and 113,812,457.20

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Solution

The fourth proportional to 206,631,949.34, 285,152,074.16 and 113,812,457.20 is: 157,061,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,631,949.34 : 285,152,074.16 = 113,812,457.20 : x
  2. Step 2: Convert to fraction form
    206,631,949.34/285,152,074.16 = 113,812,457.20/x
  3. Step 3: Cross multiply
    206,631,949.34x = 285,152,074.16 × 113,812,457.20
  4. Step 4: Simplify right side
    206,631,949.34x = 32,453,858,234,544,280
  5. Step 5: Solve for x
    x = 32,453,858,234,544,280/206,631,949.34
  6. Step 6: Final answer
    x = 157,061,182.15

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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.