Home / 71,094,682.62-106,646,009.72-19,972,715.67

Finding the Fourth Proportional to 71,094,682.62, 106,646,009.72 and 19,972,715.67

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Solution

The fourth proportional to 71,094,682.62, 106,646,009.72 and 19,972,715.67 is: 29,960,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,094,682.62 : 106,646,009.72 = 19,972,715.67 : x
  2. Step 2: Convert to fraction form
    71,094,682.62/106,646,009.72 = 19,972,715.67/x
  3. Step 3: Cross multiply
    71,094,682.62x = 106,646,009.72 × 19,972,715.67
  4. Step 4: Simplify right side
    71,094,682.62x = 2,130,010,429,377,753
  5. Step 5: Solve for x
    x = 2,130,010,429,377,753/71,094,682.62
  6. Step 6: Final answer
    x = 29,960,193.24

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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.