Home / 212,807,359.40-318,952,243.44-150,576,603.20

Finding the Fourth Proportional to 212,807,359.40, 318,952,243.44 and 150,576,603.20

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Solution

The fourth proportional to 212,807,359.40, 318,952,243.44 and 150,576,603.20 is: 225,681,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,807,359.40 : 318,952,243.44 = 150,576,603.20 : x
  2. Step 2: Convert to fraction form
    212,807,359.40/318,952,243.44 = 150,576,603.20/x
  3. Step 3: Cross multiply
    212,807,359.40x = 318,952,243.44 × 150,576,603.20
  4. Step 4: Simplify right side
    212,807,359.40x = 48,026,745,400,214,680
  5. Step 5: Solve for x
    x = 48,026,745,400,214,680/212,807,359.40
  6. Step 6: Final answer
    x = 225,681,788.15

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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.