Home / 70,102,771.25-105,060,161.13-54,559,367.57

Finding the Fourth Proportional to 70,102,771.25, 105,060,161.13 and 54,559,367.57

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Solution

The fourth proportional to 70,102,771.25, 105,060,161.13 and 54,559,367.57 is: 81,765,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,771.25 : 105,060,161.13 = 54,559,367.57 : x
  2. Step 2: Convert to fraction form
    70,102,771.25/105,060,161.13 = 54,559,367.57/x
  3. Step 3: Cross multiply
    70,102,771.25x = 105,060,161.13 × 54,559,367.57
  4. Step 4: Simplify right side
    70,102,771.25x = 5,732,015,948,113,149
  5. Step 5: Solve for x
    x = 5,732,015,948,113,149/70,102,771.25
  6. Step 6: Final answer
    x = 81,765,896.64

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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.