Home / 209,593,119.24-289,240,482.96-115,510,707.45

Finding the Fourth Proportional to 209,593,119.24, 289,240,482.96 and 115,510,707.45

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Solution

The fourth proportional to 209,593,119.24, 289,240,482.96 and 115,510,707.45 is: 159,405,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,593,119.24 : 289,240,482.96 = 115,510,707.45 : x
  2. Step 2: Convert to fraction form
    209,593,119.24/289,240,482.96 = 115,510,707.45/x
  3. Step 3: Cross multiply
    209,593,119.24x = 289,240,482.96 × 115,510,707.45
  4. Step 4: Simplify right side
    209,593,119.24x = 33,410,372,809,889,268
  5. Step 5: Solve for x
    x = 33,410,372,809,889,268/209,593,119.24
  6. Step 6: Final answer
    x = 159,405,866.62

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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.