Home / 103,948,332,022.90-155,653,963,870.99-71,741,556,004.62

Finding the Fourth Proportional to 103,948,332,022.90, 155,653,963,870.99 and 71,741,556,004.62

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Solution

The fourth proportional to 103,948,332,022.90, 155,653,963,870.99 and 71,741,556,004.62 is: 107,427,000,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,948,332,022.90 : 155,653,963,870.99 = 71,741,556,004.62 : x
  2. Step 2: Convert to fraction form
    103,948,332,022.90/155,653,963,870.99 = 71,741,556,004.62/x
  3. Step 3: Cross multiply
    103,948,332,022.90x = 155,653,963,870.99 × 71,741,556,004.62
  4. Step 4: Simplify right side
    103,948,332,022.90x = 11,166,857,566,391,726,243,840
  5. Step 5: Solve for x
    x = 11,166,857,566,391,726,243,840/103,948,332,022.90
  6. Step 6: Final answer
    x = 107,427,000,982.87

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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.