Home / 360,308,742.27-540,511,447.59-127,084,629.21

Finding the Fourth Proportional to 360,308,742.27, 540,511,447.59 and 127,084,629.21

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Solution

The fourth proportional to 360,308,742.27, 540,511,447.59 and 127,084,629.21 is: 190,643,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,308,742.27 : 540,511,447.59 = 127,084,629.21 : x
  2. Step 2: Convert to fraction form
    360,308,742.27/540,511,447.59 = 127,084,629.21/x
  3. Step 3: Cross multiply
    360,308,742.27x = 540,511,447.59 × 127,084,629.21
  4. Step 4: Simplify right side
    360,308,742.27x = 68,690,696,900,735,496
  5. Step 5: Solve for x
    x = 68,690,696,900,735,496/360,308,742.27
  6. Step 6: Final answer
    x = 190,643,991.78

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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.