Home / 199,533,769.20-299,300,653.80-193,561,801.20

Finding the Fourth Proportional to 199,533,769.20, 299,300,653.80 and 193,561,801.20

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Solution

The fourth proportional to 199,533,769.20, 299,300,653.80 and 193,561,801.20 is: 290,342,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,533,769.20 : 299,300,653.80 = 193,561,801.20 : x
  2. Step 2: Convert to fraction form
    199,533,769.20/299,300,653.80 = 193,561,801.20/x
  3. Step 3: Cross multiply
    199,533,769.20x = 299,300,653.80 × 193,561,801.20
  4. Step 4: Simplify right side
    199,533,769.20x = 57,933,173,649,865,624
  5. Step 5: Solve for x
    x = 57,933,173,649,865,624/199,533,769.20
  6. Step 6: Final answer
    x = 290,342,701.80

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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.