Home / 290,865,365.79-436,265,819.62-104,111,850.05

Finding the Fourth Proportional to 290,865,365.79, 436,265,819.62 and 104,111,850.05

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Solution

The fourth proportional to 290,865,365.79, 436,265,819.62 and 104,111,850.05 is: 156,156,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,865,365.79 : 436,265,819.62 = 104,111,850.05 : x
  2. Step 2: Convert to fraction form
    290,865,365.79/436,265,819.62 = 104,111,850.05/x
  3. Step 3: Cross multiply
    290,865,365.79x = 436,265,819.62 × 104,111,850.05
  4. Step 4: Simplify right side
    290,865,365.79x = 45,420,441,595,048,168
  5. Step 5: Solve for x
    x = 45,420,441,595,048,168/290,865,365.79
  6. Step 6: Final answer
    x = 156,156,239.06

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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.