Home / 66,542,936.40-99,814,404.60-23,418,795.60

Finding the Fourth Proportional to 66,542,936.40, 99,814,404.60 and 23,418,795.60

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Solution

The fourth proportional to 66,542,936.40, 99,814,404.60 and 23,418,795.60 is: 35,128,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,542,936.40 : 99,814,404.60 = 23,418,795.60 : x
  2. Step 2: Convert to fraction form
    66,542,936.40/99,814,404.60 = 23,418,795.60/x
  3. Step 3: Cross multiply
    66,542,936.40x = 99,814,404.60 × 23,418,795.60
  4. Step 4: Simplify right side
    66,542,936.40x = 2,337,533,139,263,100
  5. Step 5: Solve for x
    x = 2,337,533,139,263,100/66,542,936.40
  6. Step 6: Final answer
    x = 35,128,193.40

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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.