Home / 220,765,980.75-304,643,326.38-121,641,181.01

Finding the Fourth Proportional to 220,765,980.75, 304,643,326.38 and 121,641,181.01

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Solution

The fourth proportional to 220,765,980.75, 304,643,326.38 and 121,641,181.01 is: 167,857,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,765,980.75 : 304,643,326.38 = 121,641,181.01 : x
  2. Step 2: Convert to fraction form
    220,765,980.75/304,643,326.38 = 121,641,181.01/x
  3. Step 3: Cross multiply
    220,765,980.75x = 304,643,326.38 × 121,641,181.01
  4. Step 4: Simplify right side
    220,765,980.75x = 37,057,174,007,069,880
  5. Step 5: Solve for x
    x = 37,057,174,007,069,880/220,765,980.75
  6. Step 6: Final answer
    x = 167,857,266.24

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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.