Home / 123,008,648.09-169,755,477.03-68,008,047.53

Finding the Fourth Proportional to 123,008,648.09, 169,755,477.03 and 68,008,047.53

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Solution

The fourth proportional to 123,008,648.09, 169,755,477.03 and 68,008,047.53 is: 93,853,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008,648.09 : 169,755,477.03 = 68,008,047.53 : x
  2. Step 2: Convert to fraction form
    123,008,648.09/169,755,477.03 = 68,008,047.53/x
  3. Step 3: Cross multiply
    123,008,648.09x = 169,755,477.03 × 68,008,047.53
  4. Step 4: Simplify right side
    123,008,648.09x = 11,544,738,549,485,286
  5. Step 5: Solve for x
    x = 11,544,738,549,485,286/123,008,648.09
  6. Step 6: Final answer
    x = 93,853,064.23

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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.