Home / 65,887,914.60-98,831,871.90-18,018,858.60

Finding the Fourth Proportional to 65,887,914.60, 98,831,871.90 and 18,018,858.60

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Solution

The fourth proportional to 65,887,914.60, 98,831,871.90 and 18,018,858.60 is: 27,028,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,887,914.60 : 98,831,871.90 = 18,018,858.60 : x
  2. Step 2: Convert to fraction form
    65,887,914.60/98,831,871.90 = 18,018,858.60/x
  3. Step 3: Cross multiply
    65,887,914.60x = 98,831,871.90 × 18,018,858.60
  4. Step 4: Simplify right side
    65,887,914.60x = 1,780,837,524,939,413.50
  5. Step 5: Solve for x
    x = 1,780,837,524,939,413.50/65,887,914.60
  6. Step 6: Final answer
    x = 27,028,287.90

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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.