Home / 199,525,085.60-299,287,628.40-131,444,650.40

Finding the Fourth Proportional to 199,525,085.60, 299,287,628.40 and 131,444,650.40

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Solution

The fourth proportional to 199,525,085.60, 299,287,628.40 and 131,444,650.40 is: 197,166,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,525,085.60 : 299,287,628.40 = 131,444,650.40 : x
  2. Step 2: Convert to fraction form
    199,525,085.60/299,287,628.40 = 131,444,650.40/x
  3. Step 3: Cross multiply
    199,525,085.60x = 299,287,628.40 × 131,444,650.40
  4. Step 4: Simplify right side
    199,525,085.60x = 39,339,757,684,083,112
  5. Step 5: Solve for x
    x = 39,339,757,684,083,112/199,525,085.60
  6. Step 6: Final answer
    x = 197,166,975.60

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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.