Home / 108,412,290.34-162,421,138.04-96,789,675.67

Finding the Fourth Proportional to 108,412,290.34, 162,421,138.04 and 96,789,675.67

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Solution

The fourth proportional to 108,412,290.34, 162,421,138.04 and 96,789,675.67 is: 145,008,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,412,290.34 : 162,421,138.04 = 96,789,675.67 : x
  2. Step 2: Convert to fraction form
    108,412,290.34/162,421,138.04 = 96,789,675.67/x
  3. Step 3: Cross multiply
    108,412,290.34x = 162,421,138.04 × 96,789,675.67
  4. Step 4: Simplify right side
    108,412,290.34x = 15,720,689,271,953,898
  5. Step 5: Solve for x
    x = 15,720,689,271,953,898/108,412,290.34
  6. Step 6: Final answer
    x = 145,008,367.81

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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.