Home / 199,331,352.70-298,997,029.05-145,583,640.70

Finding the Fourth Proportional to 199,331,352.70, 298,997,029.05 and 145,583,640.70

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Solution

The fourth proportional to 199,331,352.70, 298,997,029.05 and 145,583,640.70 is: 218,375,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331,352.70 : 298,997,029.05 = 145,583,640.70 : x
  2. Step 2: Convert to fraction form
    199,331,352.70/298,997,029.05 = 145,583,640.70/x
  3. Step 3: Cross multiply
    199,331,352.70x = 298,997,029.05 × 145,583,640.70
  4. Step 4: Simplify right side
    199,331,352.70x = 43,529,076,047,582,664
  5. Step 5: Solve for x
    x = 43,529,076,047,582,664/199,331,352.70
  6. Step 6: Final answer
    x = 218,375,461.05

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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.