Home / 65,921,619.50-98,872,803.64-19,222,556.20

Finding the Fourth Proportional to 65,921,619.50, 98,872,803.64 and 19,222,556.20

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Solution

The fourth proportional to 65,921,619.50, 98,872,803.64 and 19,222,556.20 is: 28,831,027.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921,619.50 : 98,872,803.64 = 19,222,556.20 : x
  2. Step 2: Convert to fraction form
    65,921,619.50/98,872,803.64 = 19,222,556.20/x
  3. Step 3: Cross multiply
    65,921,619.50x = 98,872,803.64 × 19,222,556.20
  4. Step 4: Simplify right side
    65,921,619.50x = 1,900,588,024,621,464.50
  5. Step 5: Solve for x
    x = 1,900,588,024,621,464.50/65,921,619.50
  6. Step 6: Final answer
    x = 28,831,027.50

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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.