Home / 202,989,010.88-280,127,522.40-110,170,631.36

Finding the Fourth Proportional to 202,989,010.88, 280,127,522.40 and 110,170,631.36

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Solution

The fourth proportional to 202,989,010.88, 280,127,522.40 and 110,170,631.36 is: 152,036,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,989,010.88 : 280,127,522.40 = 110,170,631.36 : x
  2. Step 2: Convert to fraction form
    202,989,010.88/280,127,522.40 = 110,170,631.36/x
  3. Step 3: Cross multiply
    202,989,010.88x = 280,127,522.40 × 110,170,631.36
  4. Step 4: Simplify right side
    202,989,010.88x = 30,861,826,004,120,540
  5. Step 5: Solve for x
    x = 30,861,826,004,120,540/202,989,010.88
  6. Step 6: Final answer
    x = 152,036,929.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.