Home / 98,144,878.37-135,438,172.34-53,491,250.88

Finding the Fourth Proportional to 98,144,878.37, 135,438,172.34 and 53,491,250.88

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Solution

The fourth proportional to 98,144,878.37, 135,438,172.34 and 53,491,250.88 is: 73,816,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,144,878.37 : 135,438,172.34 = 53,491,250.88 : x
  2. Step 2: Convert to fraction form
    98,144,878.37/135,438,172.34 = 53,491,250.88/x
  3. Step 3: Cross multiply
    98,144,878.37x = 135,438,172.34 × 53,491,250.88
  4. Step 4: Simplify right side
    98,144,878.37x = 7,244,757,255,100,161
  5. Step 5: Solve for x
    x = 7,244,757,255,100,161/98,144,878.37
  6. Step 6: Final answer
    x = 73,816,967.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.