Home / 77,364,501.20-116,075,321.40-31,930,235.60

Finding the Fourth Proportional to 77,364,501.20, 116,075,321.40 and 31,930,235.60

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Solution

The fourth proportional to 77,364,501.20, 116,075,321.40 and 31,930,235.60 is: 47,907,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,364,501.20 : 116,075,321.40 = 31,930,235.60 : x
  2. Step 2: Convert to fraction form
    77,364,501.20/116,075,321.40 = 31,930,235.60/x
  3. Step 3: Cross multiply
    77,364,501.20x = 116,075,321.40 × 31,930,235.60
  4. Step 4: Simplify right side
    77,364,501.20x = 3,706,312,359,647,722
  5. Step 5: Solve for x
    x = 3,706,312,359,647,722/77,364,501.20
  6. Step 6: Final answer
    x = 47,907,144.78

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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.