Home / 197,931,396.92-296,941,236.78-64,990,175.98

Finding the Fourth Proportional to 197,931,396.92, 296,941,236.78 and 64,990,175.98

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Solution

The fourth proportional to 197,931,396.92, 296,941,236.78 and 64,990,175.98 is: 97,499,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,931,396.92 : 296,941,236.78 = 64,990,175.98 : x
  2. Step 2: Convert to fraction form
    197,931,396.92/296,941,236.78 = 64,990,175.98/x
  3. Step 3: Cross multiply
    197,931,396.92x = 296,941,236.78 × 64,990,175.98
  4. Step 4: Simplify right side
    197,931,396.92x = 19,298,263,234,051,044
  5. Step 5: Solve for x
    x = 19,298,263,234,051,044/197,931,396.92
  6. Step 6: Final answer
    x = 97,499,757.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.