Home / 212,807,355.40-318,952,237.44-150,576,599.20

Finding the Fourth Proportional to 212,807,355.40, 318,952,237.44 and 150,576,599.20

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Solution

The fourth proportional to 212,807,355.40, 318,952,237.44 and 150,576,599.20 is: 225,681,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,807,355.40 : 318,952,237.44 = 150,576,599.20 : x
  2. Step 2: Convert to fraction form
    212,807,355.40/318,952,237.44 = 150,576,599.20/x
  3. Step 3: Cross multiply
    212,807,355.40x = 318,952,237.44 × 150,576,599.20
  4. Step 4: Simplify right side
    212,807,355.40x = 48,026,743,220,946,112
  5. Step 5: Solve for x
    x = 48,026,743,220,946,112/212,807,355.40
  6. Step 6: Final answer
    x = 225,681,782.15

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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.