Home / 112,841,133,149.99-155,716,063,940.78-61,399,895,002.63

Finding the Fourth Proportional to 112,841,133,149.99, 155,716,063,940.78 and 61,399,895,002.63

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Solution

The fourth proportional to 112,841,133,149.99, 155,716,063,940.78 and 61,399,895,002.63 is: 84,729,297,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,841,133,149.99 : 155,716,063,940.78 = 61,399,895,002.63 : x
  2. Step 2: Convert to fraction form
    112,841,133,149.99/155,716,063,940.78 = 61,399,895,002.63/x
  3. Step 3: Cross multiply
    112,841,133,149.99x = 155,716,063,940.78 × 61,399,895,002.63
  4. Step 4: Simplify right side
    112,841,133,149.99x = 9,560,949,976,186,398,703,616
  5. Step 5: Solve for x
    x = 9,560,949,976,186,398,703,616/112,841,133,149.99
  6. Step 6: Final answer
    x = 84,729,297,812.69

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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.