Home / 65,549,163.60-98,323,745.40-20,110,885.20

Finding the Fourth Proportional to 65,549,163.60, 98,323,745.40 and 20,110,885.20

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Solution

The fourth proportional to 65,549,163.60, 98,323,745.40 and 20,110,885.20 is: 30,166,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,549,163.60 : 98,323,745.40 = 20,110,885.20 : x
  2. Step 2: Convert to fraction form
    65,549,163.60/98,323,745.40 = 20,110,885.20/x
  3. Step 3: Cross multiply
    65,549,163.60x = 98,323,745.40 × 20,110,885.20
  4. Step 4: Simplify right side
    65,549,163.60x = 1,977,377,556,173,428.25
  5. Step 5: Solve for x
    x = 1,977,377,556,173,428.25/65,549,163.60
  6. Step 6: Final answer
    x = 30,166,327.80

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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.