Home / 66,014,921.20-99,022,381.80-63,215,998.60

Finding the Fourth Proportional to 66,014,921.20, 99,022,381.80 and 63,215,998.60

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Solution

The fourth proportional to 66,014,921.20, 99,022,381.80 and 63,215,998.60 is: 94,823,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014,921.20 : 99,022,381.80 = 63,215,998.60 : x
  2. Step 2: Convert to fraction form
    66,014,921.20/99,022,381.80 = 63,215,998.60/x
  3. Step 3: Cross multiply
    66,014,921.20x = 99,022,381.80 × 63,215,998.60
  4. Step 4: Simplify right side
    66,014,921.20x = 6,259,798,749,237,465
  5. Step 5: Solve for x
    x = 6,259,798,749,237,465/66,014,921.20
  6. Step 6: Final answer
    x = 94,823,997.90

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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.