Home / 140,204,936.55-210,119,416.74-109,118,130.69

Finding the Fourth Proportional to 140,204,936.55, 210,119,416.74 and 109,118,130.69

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Solution

The fourth proportional to 140,204,936.55, 210,119,416.74 and 109,118,130.69 is: 163,530,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,204,936.55 : 210,119,416.74 = 109,118,130.69 : x
  2. Step 2: Convert to fraction form
    140,204,936.55/210,119,416.74 = 109,118,130.69/x
  3. Step 3: Cross multiply
    140,204,936.55x = 210,119,416.74 × 109,118,130.69
  4. Step 4: Simplify right side
    140,204,936.55x = 22,927,837,976,341,896
  5. Step 5: Solve for x
    x = 22,927,837,976,341,896/140,204,936.55
  6. Step 6: Final answer
    x = 163,530,889.43

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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.