Home / 289,630,829.70-434,446,244.55-173,233,440.90

Finding the Fourth Proportional to 289,630,829.70, 434,446,244.55 and 173,233,440.90

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Solution

The fourth proportional to 289,630,829.70, 434,446,244.55 and 173,233,440.90 is: 259,850,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,630,829.70 : 434,446,244.55 = 173,233,440.90 : x
  2. Step 2: Convert to fraction form
    289,630,829.70/434,446,244.55 = 173,233,440.90/x
  3. Step 3: Cross multiply
    289,630,829.70x = 434,446,244.55 × 173,233,440.90
  4. Step 4: Simplify right side
    289,630,829.70x = 75,260,617,829,479,376
  5. Step 5: Solve for x
    x = 75,260,617,829,479,376/289,630,829.70
  6. Step 6: Final answer
    x = 259,850,161.35

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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.