Home / 263,835,446.42-395,813,969.04-91,312,261.90

Finding the Fourth Proportional to 263,835,446.42, 395,813,969.04 and 91,312,261.90

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Solution

The fourth proportional to 263,835,446.42, 395,813,969.04 and 91,312,261.90 is: 136,989,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,835,446.42 : 395,813,969.04 = 91,312,261.90 : x
  2. Step 2: Convert to fraction form
    263,835,446.42/395,813,969.04 = 91,312,261.90/x
  3. Step 3: Cross multiply
    263,835,446.42x = 395,813,969.04 × 91,312,261.90
  4. Step 4: Simplify right side
    263,835,446.42x = 36,142,668,804,658,976
  5. Step 5: Solve for x
    x = 36,142,668,804,658,976/263,835,446.42
  6. Step 6: Final answer
    x = 136,989,435.25

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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.