Home / 122,211,871,401.22-168,649,405,989.05-67,278,597,957.89

Finding the Fourth Proportional to 122,211,871,401.22, 168,649,405,989.05 and 67,278,597,957.89

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Solution

The fourth proportional to 122,211,871,401.22, 168,649,405,989.05 and 67,278,597,957.89 is: 92,842,826,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,211,871,401.22 : 168,649,405,989.05 = 67,278,597,957.89 : x
  2. Step 2: Convert to fraction form
    122,211,871,401.22/168,649,405,989.05 = 67,278,597,957.89/x
  3. Step 3: Cross multiply
    122,211,871,401.22x = 168,649,405,989.05 × 67,278,597,957.89
  4. Step 4: Simplify right side
    122,211,871,401.22x = 11,346,495,581,373,922,803,712
  5. Step 5: Solve for x
    x = 11,346,495,581,373,922,803,712/122,211,871,401.22
  6. Step 6: Final answer
    x = 92,842,826,570.62

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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.