Home / 139,717,752,145.58-192,969,543,005.30-93,912,503,720.24

Finding the Fourth Proportional to 139,717,752,145.58, 192,969,543,005.30 and 93,912,503,720.24

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Solution

The fourth proportional to 139,717,752,145.58, 192,969,543,005.30 and 93,912,503,720.24 is: 129,706,158,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,717,752,145.58 : 192,969,543,005.30 = 93,912,503,720.24 : x
  2. Step 2: Convert to fraction form
    139,717,752,145.58/192,969,543,005.30 = 93,912,503,720.24/x
  3. Step 3: Cross multiply
    139,717,752,145.58x = 192,969,543,005.30 × 93,912,503,720.24
  4. Step 4: Simplify right side
    139,717,752,145.58x = 18,122,252,925,378,249,097,216
  5. Step 5: Solve for x
    x = 18,122,252,925,378,249,097,216/139,717,752,145.58
  6. Step 6: Final answer
    x = 129,706,158,645.44

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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.