Home / 100,248,320.40-150,351,485.40-49,166,998.80

Finding the Fourth Proportional to 100,248,320.40, 150,351,485.40 and 49,166,998.80

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Solution

The fourth proportional to 100,248,320.40, 150,351,485.40 and 49,166,998.80 is: 73,740,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,248,320.40 : 150,351,485.40 = 49,166,998.80 : x
  2. Step 2: Convert to fraction form
    100,248,320.40/150,351,485.40 = 49,166,998.80/x
  3. Step 3: Cross multiply
    100,248,320.40x = 150,351,485.40 × 49,166,998.80
  4. Step 4: Simplify right side
    100,248,320.40x = 7,392,331,302,240,017
  5. Step 5: Solve for x
    x = 7,392,331,302,240,017/100,248,320.40
  6. Step 6: Final answer
    x = 73,740,201.06

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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.