Home / 103,948,332,067.71-155,653,963,937.94-71,741,556,049.59

Finding the Fourth Proportional to 103,948,332,067.71, 155,653,963,937.94 and 71,741,556,049.59

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Solution

The fourth proportional to 103,948,332,067.71, 155,653,963,937.94 and 71,741,556,049.59 is: 107,427,001,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,948,332,067.71 : 155,653,963,937.94 = 71,741,556,049.59 : x
  2. Step 2: Convert to fraction form
    103,948,332,067.71/155,653,963,937.94 = 71,741,556,049.59/x
  3. Step 3: Cross multiply
    103,948,332,067.71x = 155,653,963,937.94 × 71,741,556,049.59
  4. Step 4: Simplify right side
    103,948,332,067.71x = 11,166,857,578,194,583,683,072
  5. Step 5: Solve for x
    x = 11,166,857,578,194,583,683,072/103,948,332,067.71
  6. Step 6: Final answer
    x = 107,427,001,050.11

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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.