Home / 121,416,111.77-167,552,141.78-68,492,933.87

Finding the Fourth Proportional to 121,416,111.77, 167,552,141.78 and 68,492,933.87

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Solution

The fourth proportional to 121,416,111.77, 167,552,141.78 and 68,492,933.87 is: 94,519,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,416,111.77 : 167,552,141.78 = 68,492,933.87 : x
  2. Step 2: Convert to fraction form
    121,416,111.77/167,552,141.78 = 68,492,933.87/x
  3. Step 3: Cross multiply
    121,416,111.77x = 167,552,141.78 × 68,492,933.87
  4. Step 4: Simplify right side
    121,416,111.77x = 11,476,137,766,371,940
  5. Step 5: Solve for x
    x = 11,476,137,766,371,940/121,416,111.77
  6. Step 6: Final answer
    x = 94,519,068.34

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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.