Home / 263,363,885.80-395,300,803.74-127,144,850.92

Finding the Fourth Proportional to 263,363,885.80, 395,300,803.74 and 127,144,850.92

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Solution

The fourth proportional to 263,363,885.80, 395,300,803.74 and 127,144,850.92 is: 190,840,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,363,885.80 : 395,300,803.74 = 127,144,850.92 : x
  2. Step 2: Convert to fraction form
    263,363,885.80/395,300,803.74 = 127,144,850.92/x
  3. Step 3: Cross multiply
    263,363,885.80x = 395,300,803.74 × 127,144,850.92
  4. Step 4: Simplify right side
    263,363,885.80x = 50,260,461,760,078,480
  5. Step 5: Solve for x
    x = 50,260,461,760,078,480/263,363,885.80
  6. Step 6: Final answer
    x = 190,840,371.33

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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.