Home / 199,544,977.80-299,093,517.90-84,509,944.20

Finding the Fourth Proportional to 199,544,977.80, 299,093,517.90 and 84,509,944.20

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Solution

The fourth proportional to 199,544,977.80, 299,093,517.90 and 84,509,944.20 is: 126,670,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,544,977.80 : 299,093,517.90 = 84,509,944.20 : x
  2. Step 2: Convert to fraction form
    199,544,977.80/299,093,517.90 = 84,509,944.20/x
  3. Step 3: Cross multiply
    199,544,977.80x = 299,093,517.90 × 84,509,944.20
  4. Step 4: Simplify right side
    199,544,977.80x = 25,276,376,508,310,700
  5. Step 5: Solve for x
    x = 25,276,376,508,310,700/199,544,977.80
  6. Step 6: Final answer
    x = 126,670,071.01

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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.