Home / 100,819,129.86-151,255,606.41-36,129,474.18

Finding the Fourth Proportional to 100,819,129.86, 151,255,606.41 and 36,129,474.18

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Solution

The fourth proportional to 100,819,129.86, 151,255,606.41 and 36,129,474.18 is: 54,203,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,819,129.86 : 151,255,606.41 = 36,129,474.18 : x
  2. Step 2: Convert to fraction form
    100,819,129.86/151,255,606.41 = 36,129,474.18/x
  3. Step 3: Cross multiply
    100,819,129.86x = 151,255,606.41 × 36,129,474.18
  4. Step 4: Simplify right side
    100,819,129.86x = 5,464,785,526,370,337
  5. Step 5: Solve for x
    x = 5,464,785,526,370,337/100,819,129.86
  6. Step 6: Final answer
    x = 54,203,855.30

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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.