Home / 133,134,437.80-199,701,656.70-128,032,604.20

Finding the Fourth Proportional to 133,134,437.80, 199,701,656.70 and 128,032,604.20

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Solution

The fourth proportional to 133,134,437.80, 199,701,656.70 and 128,032,604.20 is: 192,048,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,134,437.80 : 199,701,656.70 = 128,032,604.20 : x
  2. Step 2: Convert to fraction form
    133,134,437.80/199,701,656.70 = 128,032,604.20/x
  3. Step 3: Cross multiply
    133,134,437.80x = 199,701,656.70 × 128,032,604.20
  4. Step 4: Simplify right side
    133,134,437.80x = 25,568,323,170,355,376
  5. Step 5: Solve for x
    x = 25,568,323,170,355,376/133,134,437.80
  6. Step 6: Final answer
    x = 192,048,906.30

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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.