Home / 209,969,273.20-314,953,909.80-189,561,938.80

Finding the Fourth Proportional to 209,969,273.20, 314,953,909.80 and 189,561,938.80

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Solution

The fourth proportional to 209,969,273.20, 314,953,909.80 and 189,561,938.80 is: 284,342,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,969,273.20 : 314,953,909.80 = 189,561,938.80 : x
  2. Step 2: Convert to fraction form
    209,969,273.20/314,953,909.80 = 189,561,938.80/x
  3. Step 3: Cross multiply
    209,969,273.20x = 314,953,909.80 × 189,561,938.80
  4. Step 4: Simplify right side
    209,969,273.20x = 59,703,273,774,328,328
  5. Step 5: Solve for x
    x = 59,703,273,774,328,328/209,969,273.20
  6. Step 6: Final answer
    x = 284,342,908.20

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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.