Home / 85,507,757.93-118,098,771.83-56,269,618.25

Finding the Fourth Proportional to 85,507,757.93, 118,098,771.83 and 56,269,618.25

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Solution

The fourth proportional to 85,507,757.93, 118,098,771.83 and 56,269,618.25 is: 77,716,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,507,757.93 : 118,098,771.83 = 56,269,618.25 : x
  2. Step 2: Convert to fraction form
    85,507,757.93/118,098,771.83 = 56,269,618.25/x
  3. Step 3: Cross multiply
    85,507,757.93x = 118,098,771.83 × 56,269,618.25
  4. Step 4: Simplify right side
    85,507,757.93x = 6,645,372,806,007,123
  5. Step 5: Solve for x
    x = 6,645,372,806,007,123/85,507,757.93
  6. Step 6: Final answer
    x = 77,716,606.85

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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.