Home / 144,767,029.80-217,150,544.70-128,894,658.60

Finding the Fourth Proportional to 144,767,029.80, 217,150,544.70 and 128,894,658.60

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Solution

The fourth proportional to 144,767,029.80, 217,150,544.70 and 128,894,658.60 is: 193,341,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,767,029.80 : 217,150,544.70 = 128,894,658.60 : x
  2. Step 2: Convert to fraction form
    144,767,029.80/217,150,544.70 = 128,894,658.60/x
  3. Step 3: Cross multiply
    144,767,029.80x = 217,150,544.70 × 128,894,658.60
  4. Step 4: Simplify right side
    144,767,029.80x = 27,989,545,323,910,536
  5. Step 5: Solve for x
    x = 27,989,545,323,910,536/144,767,029.80
  6. Step 6: Final answer
    x = 193,341,987.90

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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.