Home / 111,463,391.68-153,870,957.22-66,830,485.37

Finding the Fourth Proportional to 111,463,391.68, 153,870,957.22 and 66,830,485.37

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Solution

The fourth proportional to 111,463,391.68, 153,870,957.22 and 66,830,485.37 is: 92,256,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,463,391.68 : 153,870,957.22 = 66,830,485.37 : x
  2. Step 2: Convert to fraction form
    111,463,391.68/153,870,957.22 = 66,830,485.37/x
  3. Step 3: Cross multiply
    111,463,391.68x = 153,870,957.22 × 66,830,485.37
  4. Step 4: Simplify right side
    111,463,391.68x = 10,283,270,755,359,106
  5. Step 5: Solve for x
    x = 10,283,270,755,359,106/111,463,391.68
  6. Step 6: Final answer
    x = 92,256,933.87

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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.