Home / 188,440,965.81-260,030,315.01-109,040,188.93

Finding the Fourth Proportional to 188,440,965.81, 260,030,315.01 and 109,040,188.93

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Solution

The fourth proportional to 188,440,965.81, 260,030,315.01 and 109,040,188.93 is: 150,464,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,440,965.81 : 260,030,315.01 = 109,040,188.93 : x
  2. Step 2: Convert to fraction form
    188,440,965.81/260,030,315.01 = 109,040,188.93/x
  3. Step 3: Cross multiply
    188,440,965.81x = 260,030,315.01 × 109,040,188.93
  4. Step 4: Simplify right side
    188,440,965.81x = 28,353,754,676,322,692
  5. Step 5: Solve for x
    x = 28,353,754,676,322,692/188,440,965.81
  6. Step 6: Final answer
    x = 150,464,919.10

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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.