Home / 289,735,027.20-434,453,241.60-107,888,601.60

Finding the Fourth Proportional to 289,735,027.20, 434,453,241.60 and 107,888,601.60

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Solution

The fourth proportional to 289,735,027.20, 434,453,241.60 and 107,888,601.60 is: 161,777,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,735,027.20 : 434,453,241.60 = 107,888,601.60 : x
  2. Step 2: Convert to fraction form
    289,735,027.20/434,453,241.60 = 107,888,601.60/x
  3. Step 3: Cross multiply
    289,735,027.20x = 434,453,241.60 × 107,888,601.60
  4. Step 4: Simplify right side
    289,735,027.20x = 46,872,552,696,810,944
  5. Step 5: Solve for x
    x = 46,872,552,696,810,944/289,735,027.20
  6. Step 6: Final answer
    x = 161,777,307.87

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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.