Home / 143,694,309.80-215,541,464.70-83,228,133.80

Finding the Fourth Proportional to 143,694,309.80, 215,541,464.70 and 83,228,133.80

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Solution

The fourth proportional to 143,694,309.80, 215,541,464.70 and 83,228,133.80 is: 124,842,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,694,309.80 : 215,541,464.70 = 83,228,133.80 : x
  2. Step 2: Convert to fraction form
    143,694,309.80/215,541,464.70 = 83,228,133.80/x
  3. Step 3: Cross multiply
    143,694,309.80x = 215,541,464.70 × 83,228,133.80
  4. Step 4: Simplify right side
    143,694,309.80x = 17,939,113,863,499,576
  5. Step 5: Solve for x
    x = 17,939,113,863,499,576/143,694,309.80
  6. Step 6: Final answer
    x = 124,842,200.70

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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.