Home / 280,584,002.70-420,898,442.70-96,277,311.45

Finding the Fourth Proportional to 280,584,002.70, 420,898,442.70 and 96,277,311.45

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Solution

The fourth proportional to 280,584,002.70, 420,898,442.70 and 96,277,311.45 is: 144,423,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,584,002.70 : 420,898,442.70 = 96,277,311.45 : x
  2. Step 2: Convert to fraction form
    280,584,002.70/420,898,442.70 = 96,277,311.45/x
  3. Step 3: Cross multiply
    280,584,002.70x = 420,898,442.70 × 96,277,311.45
  4. Step 4: Simplify right side
    280,584,002.70x = 40,522,970,456,647,880
  5. Step 5: Solve for x
    x = 40,522,970,456,647,880/280,584,002.70
  6. Step 6: Final answer
    x = 144,423,666.59

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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.