Home / 65,342,761.20-98,014,141.80-43,843,676.40

Finding the Fourth Proportional to 65,342,761.20, 98,014,141.80 and 43,843,676.40

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Solution

The fourth proportional to 65,342,761.20, 98,014,141.80 and 43,843,676.40 is: 65,765,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,342,761.20 : 98,014,141.80 = 43,843,676.40 : x
  2. Step 2: Convert to fraction form
    65,342,761.20/98,014,141.80 = 43,843,676.40/x
  3. Step 3: Cross multiply
    65,342,761.20x = 98,014,141.80 × 43,843,676.40
  4. Step 4: Simplify right side
    65,342,761.20x = 4,297,300,315,702,913
  5. Step 5: Solve for x
    x = 4,297,300,315,702,913/65,342,761.20
  6. Step 6: Final answer
    x = 65,765,514.60

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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.