Home / 82,015,574.12-123,023,480.85-33,493,428.48

Finding the Fourth Proportional to 82,015,574.12, 123,023,480.85 and 33,493,428.48

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Solution

The fourth proportional to 82,015,574.12, 123,023,480.85 and 33,493,428.48 is: 50,240,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,015,574.12 : 123,023,480.85 = 33,493,428.48 : x
  2. Step 2: Convert to fraction form
    82,015,574.12/123,023,480.85 = 33,493,428.48/x
  3. Step 3: Cross multiply
    82,015,574.12x = 123,023,480.85 × 33,493,428.48
  4. Step 4: Simplify right side
    82,015,574.12x = 4,120,478,157,210,124.50
  5. Step 5: Solve for x
    x = 4,120,478,157,210,124.50/82,015,574.12
  6. Step 6: Final answer
    x = 50,240,191.59

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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.