Home / 64,380,013.80-96,570,020.70-57,325,626.60

Finding the Fourth Proportional to 64,380,013.80, 96,570,020.70 and 57,325,626.60

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Solution

The fourth proportional to 64,380,013.80, 96,570,020.70 and 57,325,626.60 is: 85,988,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,380,013.80 : 96,570,020.70 = 57,325,626.60 : x
  2. Step 2: Convert to fraction form
    64,380,013.80/96,570,020.70 = 57,325,626.60/x
  3. Step 3: Cross multiply
    64,380,013.80x = 96,570,020.70 × 57,325,626.60
  4. Step 4: Simplify right side
    64,380,013.80x = 5,535,936,947,402,471
  5. Step 5: Solve for x
    x = 5,535,936,947,402,471/64,380,013.80
  6. Step 6: Final answer
    x = 85,988,439.90

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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.