Home / 91,089,184.80-136,633,777.20-82,302,693.60

Finding the Fourth Proportional to 91,089,184.80, 136,633,777.20 and 82,302,693.60

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Solution

The fourth proportional to 91,089,184.80, 136,633,777.20 and 82,302,693.60 is: 123,454,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,089,184.80 : 136,633,777.20 = 82,302,693.60 : x
  2. Step 2: Convert to fraction form
    91,089,184.80/136,633,777.20 = 82,302,693.60/x
  3. Step 3: Cross multiply
    91,089,184.80x = 136,633,777.20 × 82,302,693.60
  4. Step 4: Simplify right side
    91,089,184.80x = 11,245,327,900,302,264
  5. Step 5: Solve for x
    x = 11,245,327,900,302,264/91,089,184.80
  6. Step 6: Final answer
    x = 123,454,040.40

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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.