Home / 112,841,133,172.31-155,716,063,971.45-61,399,895,024.95

Finding the Fourth Proportional to 112,841,133,172.31, 155,716,063,971.45 and 61,399,895,024.95

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Solution

The fourth proportional to 112,841,133,172.31, 155,716,063,971.45 and 61,399,895,024.95 is: 84,729,297,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,841,133,172.31 : 155,716,063,971.45 = 61,399,895,024.95 : x
  2. Step 2: Convert to fraction form
    112,841,133,172.31/155,716,063,971.45 = 61,399,895,024.95/x
  3. Step 3: Cross multiply
    112,841,133,172.31x = 155,716,063,971.45 × 61,399,895,024.95
  4. Step 4: Simplify right side
    112,841,133,172.31x = 9,560,949,981,545,429,467,136
  5. Step 5: Solve for x
    x = 9,560,949,981,545,429,467,136/112,841,133,172.31
  6. Step 6: Final answer
    x = 84,729,297,843.42

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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.