Home / 253,765,334.61-350,196,161.76-143,757,047.61

Finding the Fourth Proportional to 253,765,334.61, 350,196,161.76 and 143,757,047.61

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Solution

The fourth proportional to 253,765,334.61, 350,196,161.76 and 143,757,047.61 is: 198,384,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,765,334.61 : 350,196,161.76 = 143,757,047.61 : x
  2. Step 2: Convert to fraction form
    253,765,334.61/350,196,161.76 = 143,757,047.61/x
  3. Step 3: Cross multiply
    253,765,334.61x = 350,196,161.76 × 143,757,047.61
  4. Step 4: Simplify right side
    253,765,334.61x = 50,343,166,298,971,584
  5. Step 5: Solve for x
    x = 50,343,166,298,971,584/253,765,334.61
  6. Step 6: Final answer
    x = 198,384,725.70

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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.