Home / 157,147,809,524.64-216,904,326,814.56-102,351,529,949.04

Finding the Fourth Proportional to 157,147,809,524.64, 216,904,326,814.56 and 102,351,529,949.04

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Solution

The fourth proportional to 157,147,809,524.64, 216,904,326,814.56 and 102,351,529,949.04 is: 141,271,391,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,147,809,524.64 : 216,904,326,814.56 = 102,351,529,949.04 : x
  2. Step 2: Convert to fraction form
    157,147,809,524.64/216,904,326,814.56 = 102,351,529,949.04/x
  3. Step 3: Cross multiply
    157,147,809,524.64x = 216,904,326,814.56 × 102,351,529,949.04
  4. Step 4: Simplify right side
    157,147,809,524.64x = 22,200,489,702,036,797,915,136
  5. Step 5: Solve for x
    x = 22,200,489,702,036,797,915,136/157,147,809,524.64
  6. Step 6: Final answer
    x = 141,271,391,368.37

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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.