Home / 157,522,702.18-217,384,808.82-86,958,145.26

Finding the Fourth Proportional to 157,522,702.18, 217,384,808.82 and 86,958,145.26

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Solution

The fourth proportional to 157,522,702.18, 217,384,808.82 and 86,958,145.26 is: 120,004,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,522,702.18 : 217,384,808.82 = 86,958,145.26 : x
  2. Step 2: Convert to fraction form
    157,522,702.18/217,384,808.82 = 86,958,145.26/x
  3. Step 3: Cross multiply
    157,522,702.18x = 217,384,808.82 × 86,958,145.26
  4. Step 4: Simplify right side
    157,522,702.18x = 18,903,379,782,686,888
  5. Step 5: Solve for x
    x = 18,903,379,782,686,888/157,522,702.18
  6. Step 6: Final answer
    x = 120,004,161.44

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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.