Home / 82,479,308.96-113,818,298.64-45,812,231.84

Finding the Fourth Proportional to 82,479,308.96, 113,818,298.64 and 45,812,231.84

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Solution

The fourth proportional to 82,479,308.96, 113,818,298.64 and 45,812,231.84 is: 63,219,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,479,308.96 : 113,818,298.64 = 45,812,231.84 : x
  2. Step 2: Convert to fraction form
    82,479,308.96/113,818,298.64 = 45,812,231.84/x
  3. Step 3: Cross multiply
    82,479,308.96x = 113,818,298.64 × 45,812,231.84
  4. Step 4: Simplify right side
    82,479,308.96x = 5,214,270,284,930,037
  5. Step 5: Solve for x
    x = 5,214,270,284,930,037/82,479,308.96
  6. Step 6: Final answer
    x = 63,219,131.57

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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.