Home / 297,216,259.20-445,446,475.20-143,531,395.20

Finding the Fourth Proportional to 297,216,259.20, 445,446,475.20 and 143,531,395.20

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Solution

The fourth proportional to 297,216,259.20, 445,446,475.20 and 143,531,395.20 is: 215,114,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,216,259.20 : 445,446,475.20 = 143,531,395.20 : x
  2. Step 2: Convert to fraction form
    297,216,259.20/445,446,475.20 = 143,531,395.20/x
  3. Step 3: Cross multiply
    297,216,259.20x = 445,446,475.20 × 143,531,395.20
  4. Step 4: Simplify right side
    297,216,259.20x = 63,935,554,072,378,192
  5. Step 5: Solve for x
    x = 63,935,554,072,378,192/297,216,259.20
  6. Step 6: Final answer
    x = 215,114,591.12

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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.