Home / 291,030,230.70-436,545,346.05-187,718,100.30

Finding the Fourth Proportional to 291,030,230.70, 436,545,346.05 and 187,718,100.30

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Solution

The fourth proportional to 291,030,230.70, 436,545,346.05 and 187,718,100.30 is: 281,577,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,030,230.70 : 436,545,346.05 = 187,718,100.30 : x
  2. Step 2: Convert to fraction form
    291,030,230.70/436,545,346.05 = 187,718,100.30/x
  3. Step 3: Cross multiply
    291,030,230.70x = 436,545,346.05 × 187,718,100.30
  4. Step 4: Simplify right side
    291,030,230.70x = 81,947,463,055,312,112
  5. Step 5: Solve for x
    x = 81,947,463,055,312,112/291,030,230.70
  6. Step 6: Final answer
    x = 281,577,150.45

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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.