Home / 253,765,483.20-350,196,366.48-143,757,196.16

Finding the Fourth Proportional to 253,765,483.20, 350,196,366.48 and 143,757,196.16

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Solution

The fourth proportional to 253,765,483.20, 350,196,366.48 and 143,757,196.16 is: 198,384,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,765,483.20 : 350,196,366.48 = 143,757,196.16 : x
  2. Step 2: Convert to fraction form
    253,765,483.20/350,196,366.48 = 143,757,196.16/x
  3. Step 3: Cross multiply
    253,765,483.20x = 350,196,366.48 × 143,757,196.16
  4. Step 4: Simplify right side
    253,765,483.20x = 50,343,247,750,584,608
  5. Step 5: Solve for x
    x = 50,343,247,750,584,608/253,765,483.20
  6. Step 6: Final answer
    x = 198,384,930.51

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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.