Home / 91,745,109.60-137,617,664.40-50,930,440.80

Finding the Fourth Proportional to 91,745,109.60, 137,617,664.40 and 50,930,440.80

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Solution

The fourth proportional to 91,745,109.60, 137,617,664.40 and 50,930,440.80 is: 76,395,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,745,109.60 : 137,617,664.40 = 50,930,440.80 : x
  2. Step 2: Convert to fraction form
    91,745,109.60/137,617,664.40 = 50,930,440.80/x
  3. Step 3: Cross multiply
    91,745,109.60x = 137,617,664.40 × 50,930,440.80
  4. Step 4: Simplify right side
    91,745,109.60x = 7,008,928,309,758,467
  5. Step 5: Solve for x
    x = 7,008,928,309,758,467/91,745,109.60
  6. Step 6: Final answer
    x = 76,395,661.20

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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.