Home / 171,928,918.20-257,893,377.30-161,842,927.80

Finding the Fourth Proportional to 171,928,918.20, 257,893,377.30 and 161,842,927.80

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Solution

The fourth proportional to 171,928,918.20, 257,893,377.30 and 161,842,927.80 is: 242,764,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,928,918.20 : 257,893,377.30 = 161,842,927.80 : x
  2. Step 2: Convert to fraction form
    171,928,918.20/257,893,377.30 = 161,842,927.80/x
  3. Step 3: Cross multiply
    171,928,918.20x = 257,893,377.30 × 161,842,927.80
  4. Step 4: Simplify right side
    171,928,918.20x = 41,738,219,242,462,064
  5. Step 5: Solve for x
    x = 41,738,219,242,462,064/171,928,918.20
  6. Step 6: Final answer
    x = 242,764,391.70

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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.