Home / 449,075,309.80-673,612,964.70-157,940,120.20

Finding the Fourth Proportional to 449,075,309.80, 673,612,964.70 and 157,940,120.20

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Solution

The fourth proportional to 449,075,309.80, 673,612,964.70 and 157,940,120.20 is: 236,910,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,309.80 : 673,612,964.70 = 157,940,120.20 : x
  2. Step 2: Convert to fraction form
    449,075,309.80/673,612,964.70 = 157,940,120.20/x
  3. Step 3: Cross multiply
    449,075,309.80x = 673,612,964.70 × 157,940,120.20
  4. Step 4: Simplify right side
    449,075,309.80x = 106,390,512,612,996,352
  5. Step 5: Solve for x
    x = 106,390,512,612,996,352/449,075,309.80
  6. Step 6: Final answer
    x = 236,910,180.30

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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.