Home / 210,200,796.28-315,266,960.58-73,854,351.64

Finding the Fourth Proportional to 210,200,796.28, 315,266,960.58 and 73,854,351.64

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Solution

The fourth proportional to 210,200,796.28, 315,266,960.58 and 73,854,351.64 is: 110,769,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,200,796.28 : 315,266,960.58 = 73,854,351.64 : x
  2. Step 2: Convert to fraction form
    210,200,796.28/315,266,960.58 = 73,854,351.64/x
  3. Step 3: Cross multiply
    210,200,796.28x = 315,266,960.58 × 73,854,351.64
  4. Step 4: Simplify right side
    210,200,796.28x = 23,283,836,967,149,336
  5. Step 5: Solve for x
    x = 23,283,836,967,149,336/210,200,796.28
  6. Step 6: Final answer
    x = 110,769,499.35

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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.