Home / 223,643,539.96-308,624,400.48-130,839,769.60

Finding the Fourth Proportional to 223,643,539.96, 308,624,400.48 and 130,839,769.60

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Solution

The fourth proportional to 223,643,539.96, 308,624,400.48 and 130,839,769.60 is: 180,556,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,643,539.96 : 308,624,400.48 = 130,839,769.60 : x
  2. Step 2: Convert to fraction form
    223,643,539.96/308,624,400.48 = 130,839,769.60/x
  3. Step 3: Cross multiply
    223,643,539.96x = 308,624,400.48 × 130,839,769.60
  4. Step 4: Simplify right side
    223,643,539.96x = 40,380,345,451,460,416
  5. Step 5: Solve for x
    x = 40,380,345,451,460,416/223,643,539.96
  6. Step 6: Final answer
    x = 180,556,726.38

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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.