Home / 308,408,995.87-462,567,989.08-90,000,695.19

Finding the Fourth Proportional to 308,408,995.87, 462,567,989.08 and 90,000,695.19

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Solution

The fourth proportional to 308,408,995.87, 462,567,989.08 and 90,000,695.19 is: 134,987,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,408,995.87 : 462,567,989.08 = 90,000,695.19 : x
  2. Step 2: Convert to fraction form
    308,408,995.87/462,567,989.08 = 90,000,695.19/x
  3. Step 3: Cross multiply
    308,408,995.87x = 462,567,989.08 × 90,000,695.19
  4. Step 4: Simplify right side
    308,408,995.87x = 41,631,440,591,687,456
  5. Step 5: Solve for x
    x = 41,631,440,591,687,456/308,408,995.87
  6. Step 6: Final answer
    x = 134,987,763.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.