Home / 65,852,847.60-98,779,271.40-20,419,234.80

Finding the Fourth Proportional to 65,852,847.60, 98,779,271.40 and 20,419,234.80

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Solution

The fourth proportional to 65,852,847.60, 98,779,271.40 and 20,419,234.80 is: 30,628,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,852,847.60 : 98,779,271.40 = 20,419,234.80 : x
  2. Step 2: Convert to fraction form
    65,852,847.60/98,779,271.40 = 20,419,234.80/x
  3. Step 3: Cross multiply
    65,852,847.60x = 98,779,271.40 × 20,419,234.80
  4. Step 4: Simplify right side
    65,852,847.60x = 2,016,997,136,089,525
  5. Step 5: Solve for x
    x = 2,016,997,136,089,525/65,852,847.60
  6. Step 6: Final answer
    x = 30,628,852.20

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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.