Home / 48,896,139.40-73,317,637.05-20,145,181.30

Finding the Fourth Proportional to 48,896,139.40, 73,317,637.05 and 20,145,181.30

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Solution

The fourth proportional to 48,896,139.40, 73,317,637.05 and 20,145,181.30 is: 30,206,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,896,139.40 : 73,317,637.05 = 20,145,181.30 : x
  2. Step 2: Convert to fraction form
    48,896,139.40/73,317,637.05 = 20,145,181.30/x
  3. Step 3: Cross multiply
    48,896,139.40x = 73,317,637.05 × 20,145,181.30
  4. Step 4: Simplify right side
    48,896,139.40x = 1,476,997,090,859,847.25
  5. Step 5: Solve for x
    x = 1,476,997,090,859,847.25/48,896,139.40
  6. Step 6: Final answer
    x = 30,206,824.28

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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.