Home / 128,197,429.34-192,094,491.66-99,122,292.22

Finding the Fourth Proportional to 128,197,429.34, 192,094,491.66 and 99,122,292.22

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Solution

The fourth proportional to 128,197,429.34, 192,094,491.66 and 99,122,292.22 is: 148,527,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,197,429.34 : 192,094,491.66 = 99,122,292.22 : x
  2. Step 2: Convert to fraction form
    128,197,429.34/192,094,491.66 = 99,122,292.22/x
  3. Step 3: Cross multiply
    128,197,429.34x = 192,094,491.66 × 99,122,292.22
  4. Step 4: Simplify right side
    128,197,429.34x = 19,040,846,336,174,872
  5. Step 5: Solve for x
    x = 19,040,846,336,174,872/128,197,429.34
  6. Step 6: Final answer
    x = 148,527,520.67

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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.