Home / 114,447,040.40-171,670,560.60-78,167,334.80

Finding the Fourth Proportional to 114,447,040.40, 171,670,560.60 and 78,167,334.80

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Solution

The fourth proportional to 114,447,040.40, 171,670,560.60 and 78,167,334.80 is: 117,251,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,447,040.40 : 171,670,560.60 = 78,167,334.80 : x
  2. Step 2: Convert to fraction form
    114,447,040.40/171,670,560.60 = 78,167,334.80/x
  3. Step 3: Cross multiply
    114,447,040.40x = 171,670,560.60 × 78,167,334.80
  4. Step 4: Simplify right side
    114,447,040.40x = 13,419,030,185,723,888
  5. Step 5: Solve for x
    x = 13,419,030,185,723,888/114,447,040.40
  6. Step 6: Final answer
    x = 117,251,002.20

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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.