Home / 117,954,576.81-162,778,071.42-65,746,922.67

Finding the Fourth Proportional to 117,954,576.81, 162,778,071.42 and 65,746,922.67

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Solution

The fourth proportional to 117,954,576.81, 162,778,071.42 and 65,746,922.67 is: 90,731,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,954,576.81 : 162,778,071.42 = 65,746,922.67 : x
  2. Step 2: Convert to fraction form
    117,954,576.81/162,778,071.42 = 65,746,922.67/x
  3. Step 3: Cross multiply
    117,954,576.81x = 162,778,071.42 × 65,746,922.67
  4. Step 4: Simplify right side
    117,954,576.81x = 10,702,157,274,022,476
  5. Step 5: Solve for x
    x = 10,702,157,274,022,476/117,954,576.81
  6. Step 6: Final answer
    x = 90,731,174.35

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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.