Home / 143,563,288.80-215,344,933.20-83,097,112.80

Finding the Fourth Proportional to 143,563,288.80, 215,344,933.20 and 83,097,112.80

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Solution

The fourth proportional to 143,563,288.80, 215,344,933.20 and 83,097,112.80 is: 124,645,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,563,288.80 : 215,344,933.20 = 83,097,112.80 : x
  2. Step 2: Convert to fraction form
    143,563,288.80/215,344,933.20 = 83,097,112.80/x
  3. Step 3: Cross multiply
    143,563,288.80x = 215,344,933.20 × 83,097,112.80
  4. Step 4: Simplify right side
    143,563,288.80x = 17,894,542,205,028,864
  5. Step 5: Solve for x
    x = 17,894,542,205,028,864/143,563,288.80
  6. Step 6: Final answer
    x = 124,645,669.20

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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.