Home / 82,479,338.55-113,817,805.34-49,457,809.16

Finding the Fourth Proportional to 82,479,338.55, 113,817,805.34 and 49,457,809.16

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Solution

The fourth proportional to 82,479,338.55, 113,817,805.34 and 49,457,809.16 is: 68,249,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,479,338.55 : 113,817,805.34 = 49,457,809.16 : x
  2. Step 2: Convert to fraction form
    82,479,338.55/113,817,805.34 = 49,457,809.16/x
  3. Step 3: Cross multiply
    82,479,338.55x = 113,817,805.34 × 49,457,809.16
  4. Step 4: Simplify right side
    82,479,338.55x = 5,629,179,294,699,371
  5. Step 5: Solve for x
    x = 5,629,179,294,699,371/82,479,338.55
  6. Step 6: Final answer
    x = 68,249,568.85

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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.