Home / 71,137,491.48-98,169,748.74-38,542,443.48

Finding the Fourth Proportional to 71,137,491.48, 98,169,748.74 and 38,542,443.48

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Solution

The fourth proportional to 71,137,491.48, 98,169,748.74 and 38,542,443.48 is: 53,188,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,137,491.48 : 98,169,748.74 = 38,542,443.48 : x
  2. Step 2: Convert to fraction form
    71,137,491.48/98,169,748.74 = 38,542,443.48/x
  3. Step 3: Cross multiply
    71,137,491.48x = 98,169,748.74 × 38,542,443.48
  4. Step 4: Simplify right side
    71,137,491.48x = 3,783,701,992,257,250.50
  5. Step 5: Solve for x
    x = 3,783,701,992,257,250.50/71,137,491.48
  6. Step 6: Final answer
    x = 53,188,577.69

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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.