Home / 209,993,020.58-289,899,327.24-153,414,313.62

Finding the Fourth Proportional to 209,993,020.58, 289,899,327.24 and 153,414,313.62

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Solution

The fourth proportional to 209,993,020.58, 289,899,327.24 and 153,414,313.62 is: 211,791,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,993,020.58 : 289,899,327.24 = 153,414,313.62 : x
  2. Step 2: Convert to fraction form
    209,993,020.58/289,899,327.24 = 153,414,313.62/x
  3. Step 3: Cross multiply
    209,993,020.58x = 289,899,327.24 × 153,414,313.62
  4. Step 4: Simplify right side
    209,993,020.58x = 44,474,706,307,424,368
  5. Step 5: Solve for x
    x = 44,474,706,307,424,368/209,993,020.58
  6. Step 6: Final answer
    x = 211,791,354.71

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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.