Home / 139,175,987,545.26-208,678,543,983.18-54,086,429,401.11

Finding the Fourth Proportional to 139,175,987,545.26, 208,678,543,983.18 and 54,086,429,401.11

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Solution

The fourth proportional to 139,175,987,545.26, 208,678,543,983.18 and 54,086,429,401.11 is: 81,096,441,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,175,987,545.26 : 208,678,543,983.18 = 54,086,429,401.11 : x
  2. Step 2: Convert to fraction form
    139,175,987,545.26/208,678,543,983.18 = 54,086,429,401.11/x
  3. Step 3: Cross multiply
    139,175,987,545.26x = 208,678,543,983.18 × 54,086,429,401.11
  4. Step 4: Simplify right side
    139,175,987,545.26x = 11,286,677,336,672,692,076,544
  5. Step 5: Solve for x
    x = 11,286,677,336,672,692,076,544/139,175,987,545.26
  6. Step 6: Final answer
    x = 81,096,441,532.36

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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.