Home / 85,716,283.20-118,289,426.94-50,441,884.80

Finding the Fourth Proportional to 85,716,283.20, 118,289,426.94 and 50,441,884.80

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Solution

The fourth proportional to 85,716,283.20, 118,289,426.94 and 50,441,884.80 is: 69,610,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,716,283.20 : 118,289,426.94 = 50,441,884.80 : x
  2. Step 2: Convert to fraction form
    85,716,283.20/118,289,426.94 = 50,441,884.80/x
  3. Step 3: Cross multiply
    85,716,283.20x = 118,289,426.94 × 50,441,884.80
  4. Step 4: Simplify right side
    85,716,283.20x = 5,966,741,646,765,496
  5. Step 5: Solve for x
    x = 5,966,741,646,765,496/85,716,283.20
  6. Step 6: Final answer
    x = 69,610,363.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.