Home / 77,364,495.20-116,075,312.40-31,930,229.60

Finding the Fourth Proportional to 77,364,495.20, 116,075,312.40 and 31,930,229.60

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Solution

The fourth proportional to 77,364,495.20, 116,075,312.40 and 31,930,229.60 is: 47,907,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,364,495.20 : 116,075,312.40 = 31,930,229.60 : x
  2. Step 2: Convert to fraction form
    77,364,495.20/116,075,312.40 = 31,930,229.60/x
  3. Step 3: Cross multiply
    77,364,495.20x = 116,075,312.40 × 31,930,229.60
  4. Step 4: Simplify right side
    77,364,495.20x = 3,706,311,375,823,727.50
  5. Step 5: Solve for x
    x = 3,706,311,375,823,727.50/77,364,495.20
  6. Step 6: Final answer
    x = 47,907,135.78

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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.