Home / 199,533,774.20-299,300,661.30-193,561,806.20

Finding the Fourth Proportional to 199,533,774.20, 299,300,661.30 and 193,561,806.20

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Solution

The fourth proportional to 199,533,774.20, 299,300,661.30 and 193,561,806.20 is: 290,342,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,533,774.20 : 299,300,661.30 = 193,561,806.20 : x
  2. Step 2: Convert to fraction form
    199,533,774.20/299,300,661.30 = 193,561,806.20/x
  3. Step 3: Cross multiply
    199,533,774.20x = 299,300,661.30 × 193,561,806.20
  4. Step 4: Simplify right side
    199,533,774.20x = 57,933,176,598,082,440
  5. Step 5: Solve for x
    x = 57,933,176,598,082,440/199,533,774.20
  6. Step 6: Final answer
    x = 290,342,709.30

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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.