Home / 65,200,419.40-97,800,629.10-58,397,974.60

Finding the Fourth Proportional to 65,200,419.40, 97,800,629.10 and 58,397,974.60

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Solution

The fourth proportional to 65,200,419.40, 97,800,629.10 and 58,397,974.60 is: 87,596,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,419.40 : 97,800,629.10 = 58,397,974.60 : x
  2. Step 2: Convert to fraction form
    65,200,419.40/97,800,629.10 = 58,397,974.60/x
  3. Step 3: Cross multiply
    65,200,419.40x = 97,800,629.10 × 58,397,974.60
  4. Step 4: Simplify right side
    65,200,419.40x = 5,711,358,654,045,821
  5. Step 5: Solve for x
    x = 5,711,358,654,045,821/65,200,419.40
  6. Step 6: Final answer
    x = 87,596,961.90

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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.