Home / 102,384,122.40-153,576,183.60-66,104,416.80

Finding the Fourth Proportional to 102,384,122.40, 153,576,183.60 and 66,104,416.80

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Solution

The fourth proportional to 102,384,122.40, 153,576,183.60 and 66,104,416.80 is: 99,156,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,384,122.40 : 153,576,183.60 = 66,104,416.80 : x
  2. Step 2: Convert to fraction form
    102,384,122.40/153,576,183.60 = 66,104,416.80/x
  3. Step 3: Cross multiply
    102,384,122.40x = 153,576,183.60 × 66,104,416.80
  4. Step 4: Simplify right side
    102,384,122.40x = 10,152,064,051,247,724
  5. Step 5: Solve for x
    x = 10,152,064,051,247,724/102,384,122.40
  6. Step 6: Final answer
    x = 99,156,625.20

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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.