Home / 133,134,666.30-199,701,999.45-128,032,832.70

Finding the Fourth Proportional to 133,134,666.30, 199,701,999.45 and 128,032,832.70

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Solution

The fourth proportional to 133,134,666.30, 199,701,999.45 and 128,032,832.70 is: 192,049,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,134,666.30 : 199,701,999.45 = 128,032,832.70 : x
  2. Step 2: Convert to fraction form
    133,134,666.30/199,701,999.45 = 128,032,832.70/x
  3. Step 3: Cross multiply
    133,134,666.30x = 199,701,999.45 × 128,032,832.70
  4. Step 4: Simplify right side
    133,134,666.30x = 25,568,412,685,437,340
  5. Step 5: Solve for x
    x = 25,568,412,685,437,340/133,134,666.30
  6. Step 6: Final answer
    x = 192,049,249.05

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1.5x scale

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.