Home / 85,716,282.70-118,289,426.25-50,441,884.30

Finding the Fourth Proportional to 85,716,282.70, 118,289,426.25 and 50,441,884.30

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Solution

The fourth proportional to 85,716,282.70, 118,289,426.25 and 50,441,884.30 is: 69,610,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,716,282.70 : 118,289,426.25 = 50,441,884.30 : x
  2. Step 2: Convert to fraction form
    85,716,282.70/118,289,426.25 = 50,441,884.30/x
  3. Step 3: Cross multiply
    85,716,282.70x = 118,289,426.25 × 50,441,884.30
  4. Step 4: Simplify right side
    85,716,282.70x = 5,966,741,552,815,883
  5. Step 5: Solve for x
    x = 5,966,741,552,815,883/85,716,282.70
  6. Step 6: Final answer
    x = 69,610,362.99

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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.