Home / 199,530,075.60-299,295,113.40-131,449,640.40

Finding the Fourth Proportional to 199,530,075.60, 299,295,113.40 and 131,449,640.40

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Solution

The fourth proportional to 199,530,075.60, 299,295,113.40 and 131,449,640.40 is: 197,174,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530,075.60 : 299,295,113.40 = 131,449,640.40 : x
  2. Step 2: Convert to fraction form
    199,530,075.60/299,295,113.40 = 131,449,640.40/x
  3. Step 3: Cross multiply
    199,530,075.60x = 299,295,113.40 × 131,449,640.40
  4. Step 4: Simplify right side
    199,530,075.60x = 39,342,235,029,907,224
  5. Step 5: Solve for x
    x = 39,342,235,029,907,224/199,530,075.60
  6. Step 6: Final answer
    x = 197,174,460.60

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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.