Home / 65,340,410.40-98,010,615.60-55,136,743.20

Finding the Fourth Proportional to 65,340,410.40, 98,010,615.60 and 55,136,743.20

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Solution

The fourth proportional to 65,340,410.40, 98,010,615.60 and 55,136,743.20 is: 82,705,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,340,410.40 : 98,010,615.60 = 55,136,743.20 : x
  2. Step 2: Convert to fraction form
    65,340,410.40/98,010,615.60 = 55,136,743.20/x
  3. Step 3: Cross multiply
    65,340,410.40x = 98,010,615.60 × 55,136,743.20
  4. Step 4: Simplify right side
    65,340,410.40x = 5,403,986,143,211,114
  5. Step 5: Solve for x
    x = 5,403,986,143,211,114/65,340,410.40
  6. Step 6: Final answer
    x = 82,705,114.80

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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.