Home / 200,686,900.16-276,885,855.40-116,995,790.86

Finding the Fourth Proportional to 200,686,900.16, 276,885,855.40 and 116,995,790.86

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Solution

The fourth proportional to 200,686,900.16, 276,885,855.40 and 116,995,790.86 is: 161,418,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,686,900.16 : 276,885,855.40 = 116,995,790.86 : x
  2. Step 2: Convert to fraction form
    200,686,900.16/276,885,855.40 = 116,995,790.86/x
  3. Step 3: Cross multiply
    200,686,900.16x = 276,885,855.40 × 116,995,790.86
  4. Step 4: Simplify right side
    200,686,900.16x = 32,394,479,630,470,600
  5. Step 5: Solve for x
    x = 32,394,479,630,470,600/200,686,900.16
  6. Step 6: Final answer
    x = 161,418,007.88

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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.