Home / 346,584,336.40-520,075,570.20-131,328,067.60

Finding the Fourth Proportional to 346,584,336.40, 520,075,570.20 and 131,328,067.60

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Solution

The fourth proportional to 346,584,336.40, 520,075,570.20 and 131,328,067.60 is: 197,067,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,584,336.40 : 520,075,570.20 = 131,328,067.60 : x
  2. Step 2: Convert to fraction form
    346,584,336.40/520,075,570.20 = 131,328,067.60/x
  3. Step 3: Cross multiply
    346,584,336.40x = 520,075,570.20 × 131,328,067.60
  4. Step 4: Simplify right side
    346,584,336.40x = 68,300,519,640,334,144
  5. Step 5: Solve for x
    x = 68,300,519,640,334,144/346,584,336.40
  6. Step 6: Final answer
    x = 197,067,531.53

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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.