Home / 107,837,031.20-161,755,546.80-102,798,183.20

Finding the Fourth Proportional to 107,837,031.20, 161,755,546.80 and 102,798,183.20

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Solution

The fourth proportional to 107,837,031.20, 161,755,546.80 and 102,798,183.20 is: 154,197,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,837,031.20 : 161,755,546.80 = 102,798,183.20 : x
  2. Step 2: Convert to fraction form
    107,837,031.20/161,755,546.80 = 102,798,183.20/x
  3. Step 3: Cross multiply
    107,837,031.20x = 161,755,546.80 × 102,798,183.20
  4. Step 4: Simplify right side
    107,837,031.20x = 16,628,176,333,562,576
  5. Step 5: Solve for x
    x = 16,628,176,333,562,576/107,837,031.20
  6. Step 6: Final answer
    x = 154,197,274.80

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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.