Home / 199,512,901.60-298,672,155.60-178,013,816.80

Finding the Fourth Proportional to 199,512,901.60, 298,672,155.60 and 178,013,816.80

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Solution

The fourth proportional to 199,512,901.60, 298,672,155.60 and 178,013,816.80 is: 266,487,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,512,901.60 : 298,672,155.60 = 178,013,816.80 : x
  2. Step 2: Convert to fraction form
    199,512,901.60/298,672,155.60 = 178,013,816.80/x
  3. Step 3: Cross multiply
    199,512,901.60x = 298,672,155.60 × 178,013,816.80
  4. Step 4: Simplify right side
    199,512,901.60x = 53,167,770,390,239,504
  5. Step 5: Solve for x
    x = 53,167,770,390,239,504/199,512,901.60
  6. Step 6: Final answer
    x = 266,487,881.05

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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.