Home / 189,099,063.81-260,960,701.05-106,592,826.69

Finding the Fourth Proportional to 189,099,063.81, 260,960,701.05 and 106,592,826.69

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Solution

The fourth proportional to 189,099,063.81, 260,960,701.05 and 106,592,826.69 is: 147,100,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,099,063.81 : 260,960,701.05 = 106,592,826.69 : x
  2. Step 2: Convert to fraction form
    189,099,063.81/260,960,701.05 = 106,592,826.69/x
  3. Step 3: Cross multiply
    189,099,063.81x = 260,960,701.05 × 106,592,826.69
  4. Step 4: Simplify right side
    189,099,063.81x = 27,816,538,779,923,552
  5. Step 5: Solve for x
    x = 27,816,538,779,923,552/189,099,063.81
  6. Step 6: Final answer
    x = 147,100,351.63

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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.