Home / 76,297,242.35-105,567,453.57-66,528,059.15

Finding the Fourth Proportional to 76,297,242.35, 105,567,453.57 and 66,528,059.15

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Solution

The fourth proportional to 76,297,242.35, 105,567,453.57 and 66,528,059.15 is: 92,050,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,297,242.35 : 105,567,453.57 = 66,528,059.15 : x
  2. Step 2: Convert to fraction form
    76,297,242.35/105,567,453.57 = 66,528,059.15/x
  3. Step 3: Cross multiply
    76,297,242.35x = 105,567,453.57 × 66,528,059.15
  4. Step 4: Simplify right side
    76,297,242.35x = 7,023,197,795,419,838
  5. Step 5: Solve for x
    x = 7,023,197,795,419,838/76,297,242.35
  6. Step 6: Final answer
    x = 92,050,480.19

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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.