Home / 308,408,983.01-462,567,969.84-90,000,682.34

Finding the Fourth Proportional to 308,408,983.01, 462,567,969.84 and 90,000,682.34

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Solution

The fourth proportional to 308,408,983.01, 462,567,969.84 and 90,000,682.34 is: 134,987,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,408,983.01 : 462,567,969.84 = 90,000,682.34 : x
  2. Step 2: Convert to fraction form
    308,408,983.01/462,567,969.84 = 90,000,682.34/x
  3. Step 3: Cross multiply
    308,408,983.01x = 462,567,969.84 × 90,000,682.34
  4. Step 4: Simplify right side
    308,408,983.01x = 41,631,432,912,254,104
  5. Step 5: Solve for x
    x = 41,631,432,912,254,104/308,408,983.01
  6. Step 6: Final answer
    x = 134,987,744.22

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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.