Home / 273,187,984.32-409,782,675.36-111,629,919.68

Finding the Fourth Proportional to 273,187,984.32, 409,782,675.36 and 111,629,919.68

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Solution

The fourth proportional to 273,187,984.32, 409,782,675.36 and 111,629,919.68 is: 167,445,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,187,984.32 : 409,782,675.36 = 111,629,919.68 : x
  2. Step 2: Convert to fraction form
    273,187,984.32/409,782,675.36 = 111,629,919.68/x
  3. Step 3: Cross multiply
    273,187,984.32x = 409,782,675.36 × 111,629,919.68
  4. Step 4: Simplify right side
    273,187,984.32x = 45,744,007,136,692,320
  5. Step 5: Solve for x
    x = 45,744,007,136,692,320/273,187,984.32
  6. Step 6: Final answer
    x = 167,445,165.10

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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.