Home / 289,708,381.20-434,562,571.80-95,649,747.60

Finding the Fourth Proportional to 289,708,381.20, 434,562,571.80 and 95,649,747.60

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Solution

The fourth proportional to 289,708,381.20, 434,562,571.80 and 95,649,747.60 is: 143,474,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,708,381.20 : 434,562,571.80 = 95,649,747.60 : x
  2. Step 2: Convert to fraction form
    289,708,381.20/434,562,571.80 = 95,649,747.60/x
  3. Step 3: Cross multiply
    289,708,381.20x = 434,562,571.80 × 95,649,747.60
  4. Step 4: Simplify right side
    289,708,381.20x = 41,565,800,309,076,880
  5. Step 5: Solve for x
    x = 41,565,800,309,076,880/289,708,381.20
  6. Step 6: Final answer
    x = 143,474,621.40

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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.