Home / 122,028,603.72-168,401,688.03-66,274,013.04

Finding the Fourth Proportional to 122,028,603.72, 168,401,688.03 and 66,274,013.04

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Solution

The fourth proportional to 122,028,603.72, 168,401,688.03 and 66,274,013.04 is: 91,459,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,028,603.72 : 168,401,688.03 = 66,274,013.04 : x
  2. Step 2: Convert to fraction form
    122,028,603.72/168,401,688.03 = 66,274,013.04/x
  3. Step 3: Cross multiply
    122,028,603.72x = 168,401,688.03 × 66,274,013.04
  4. Step 4: Simplify right side
    122,028,603.72x = 11,160,655,668,458,232
  5. Step 5: Solve for x
    x = 11,160,655,668,458,232/122,028,603.72
  6. Step 6: Final answer
    x = 91,459,340.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.