Home / 103,432,163.40-155,148,245.10-35,277,078.60

Finding the Fourth Proportional to 103,432,163.40, 155,148,245.10 and 35,277,078.60

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Solution

The fourth proportional to 103,432,163.40, 155,148,245.10 and 35,277,078.60 is: 52,915,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,432,163.40 : 155,148,245.10 = 35,277,078.60 : x
  2. Step 2: Convert to fraction form
    103,432,163.40/155,148,245.10 = 35,277,078.60/x
  3. Step 3: Cross multiply
    103,432,163.40x = 155,148,245.10 × 35,277,078.60
  4. Step 4: Simplify right side
    103,432,163.40x = 5,473,176,837,044,765
  5. Step 5: Solve for x
    x = 5,473,176,837,044,765/103,432,163.40
  6. Step 6: Final answer
    x = 52,915,617.90

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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.