Home / 221,289,322.68-305,095,375.98-181,450,075.32

Finding the Fourth Proportional to 221,289,322.68, 305,095,375.98 and 181,450,075.32

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Solution

The fourth proportional to 221,289,322.68, 305,095,375.98 and 181,450,075.32 is: 250,168,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,289,322.68 : 305,095,375.98 = 181,450,075.32 : x
  2. Step 2: Convert to fraction form
    221,289,322.68/305,095,375.98 = 181,450,075.32/x
  3. Step 3: Cross multiply
    221,289,322.68x = 305,095,375.98 × 181,450,075.32
  4. Step 4: Simplify right side
    221,289,322.68x = 55,359,578,951,354,720
  5. Step 5: Solve for x
    x = 55,359,578,951,354,720/221,289,322.68
  6. Step 6: Final answer
    x = 250,168,323.90

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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.