Home / 100,732,717.54-151,129,913.27-51,583,370.43

Finding the Fourth Proportional to 100,732,717.54, 151,129,913.27 and 51,583,370.43

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Solution

The fourth proportional to 100,732,717.54, 151,129,913.27 and 51,583,370.43 is: 77,390,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,732,717.54 : 151,129,913.27 = 51,583,370.43 : x
  2. Step 2: Convert to fraction form
    100,732,717.54/151,129,913.27 = 51,583,370.43/x
  3. Step 3: Cross multiply
    100,732,717.54x = 151,129,913.27 × 51,583,370.43
  4. Step 4: Simplify right side
    100,732,717.54x = 7,795,790,298,246,615
  5. Step 5: Solve for x
    x = 7,795,790,298,246,615/100,732,717.54
  6. Step 6: Final answer
    x = 77,390,846.67

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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.