Home / 121,416,111.16-167,552,140.92-68,492,933.26

Finding the Fourth Proportional to 121,416,111.16, 167,552,140.92 and 68,492,933.26

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Solution

The fourth proportional to 121,416,111.16, 167,552,140.92 and 68,492,933.26 is: 94,519,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,416,111.16 : 167,552,140.92 = 68,492,933.26 : x
  2. Step 2: Convert to fraction form
    121,416,111.16/167,552,140.92 = 68,492,933.26/x
  3. Step 3: Cross multiply
    121,416,111.16x = 167,552,140.92 × 68,492,933.26
  4. Step 4: Simplify right side
    121,416,111.16x = 11,476,137,605,603,674
  5. Step 5: Solve for x
    x = 11,476,137,605,603,674/121,416,111.16
  6. Step 6: Final answer
    x = 94,519,067.49

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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.