Home / 112,508,317.24-169,605,747.13-105,008,771.68

Finding the Fourth Proportional to 112,508,317.24, 169,605,747.13 and 105,008,771.68

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Solution

The fourth proportional to 112,508,317.24, 169,605,747.13 and 105,008,771.68 is: 158,300,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,508,317.24 : 169,605,747.13 = 105,008,771.68 : x
  2. Step 2: Convert to fraction form
    112,508,317.24/169,605,747.13 = 105,008,771.68/x
  3. Step 3: Cross multiply
    112,508,317.24x = 169,605,747.13 × 105,008,771.68
  4. Step 4: Simplify right side
    112,508,317.24x = 17,810,091,175,989,986
  5. Step 5: Solve for x
    x = 17,810,091,175,989,986/112,508,317.24
  6. Step 6: Final answer
    x = 158,300,218.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.