Home / 190,789,124.20-263,288,986.98-103,868,996.20

Finding the Fourth Proportional to 190,789,124.20, 263,288,986.98 and 103,868,996.20

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Solution

The fourth proportional to 190,789,124.20, 263,288,986.98 and 103,868,996.20 is: 143,339,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,789,124.20 : 263,288,986.98 = 103,868,996.20 : x
  2. Step 2: Convert to fraction form
    190,789,124.20/263,288,986.98 = 103,868,996.20/x
  3. Step 3: Cross multiply
    190,789,124.20x = 263,288,986.98 × 103,868,996.20
  4. Step 4: Simplify right side
    190,789,124.20x = 27,347,562,788,127,468
  5. Step 5: Solve for x
    x = 27,347,562,788,127,468/190,789,124.20
  6. Step 6: Final answer
    x = 143,339,212.35

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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.