Home / 300,155,839.79-413,886,132.74-195,539,907.47

Finding the Fourth Proportional to 300,155,839.79, 413,886,132.74 and 195,539,907.47

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Solution

The fourth proportional to 300,155,839.79, 413,886,132.74 and 195,539,907.47 is: 269,630,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,155,839.79 : 413,886,132.74 = 195,539,907.47 : x
  2. Step 2: Convert to fraction form
    300,155,839.79/413,886,132.74 = 195,539,907.47/x
  3. Step 3: Cross multiply
    300,155,839.79x = 413,886,132.74 × 195,539,907.47
  4. Step 4: Simplify right side
    300,155,839.79x = 80,931,256,097,515,152
  5. Step 5: Solve for x
    x = 80,931,256,097,515,152/300,155,839.79
  6. Step 6: Final answer
    x = 269,630,789.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.