Home / 210,200,797.28-315,266,962.08-73,854,352.64

Finding the Fourth Proportional to 210,200,797.28, 315,266,962.08 and 73,854,352.64

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Solution

The fourth proportional to 210,200,797.28, 315,266,962.08 and 73,854,352.64 is: 110,769,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,200,797.28 : 315,266,962.08 = 73,854,352.64 : x
  2. Step 2: Convert to fraction form
    210,200,797.28/315,266,962.08 = 73,854,352.64/x
  3. Step 3: Cross multiply
    210,200,797.28x = 315,266,962.08 × 73,854,352.64
  4. Step 4: Simplify right side
    210,200,797.28x = 23,283,837,393,197,828
  5. Step 5: Solve for x
    x = 23,283,837,393,197,828/210,200,797.28
  6. Step 6: Final answer
    x = 110,769,500.85

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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.