Home / 263,835,447.42-395,813,970.54-91,312,262.90

Finding the Fourth Proportional to 263,835,447.42, 395,813,970.54 and 91,312,262.90

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Solution

The fourth proportional to 263,835,447.42, 395,813,970.54 and 91,312,262.90 is: 136,989,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,835,447.42 : 395,813,970.54 = 91,312,262.90 : x
  2. Step 2: Convert to fraction form
    263,835,447.42/395,813,970.54 = 91,312,262.90/x
  3. Step 3: Cross multiply
    263,835,447.42x = 395,813,970.54 × 91,312,262.90
  4. Step 4: Simplify right side
    263,835,447.42x = 36,142,669,337,441,336
  5. Step 5: Solve for x
    x = 36,142,669,337,441,336/263,835,447.42
  6. Step 6: Final answer
    x = 136,989,436.75

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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.