Home / 91,134,038.58-125,765,290.74-49,318,093.45

Finding the Fourth Proportional to 91,134,038.58, 125,765,290.74 and 49,318,093.45

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Solution

The fourth proportional to 91,134,038.58, 125,765,290.74 and 49,318,093.45 is: 68,059,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,134,038.58 : 125,765,290.74 = 49,318,093.45 : x
  2. Step 2: Convert to fraction form
    91,134,038.58/125,765,290.74 = 49,318,093.45/x
  3. Step 3: Cross multiply
    91,134,038.58x = 125,765,290.74 × 49,318,093.45
  4. Step 4: Simplify right side
    91,134,038.58x = 6,202,504,361,481,740
  5. Step 5: Solve for x
    x = 6,202,504,361,481,740/91,134,038.58
  6. Step 6: Final answer
    x = 68,059,140.78

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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.