Home / 82,406,029.68-113,716,078.43-48,916,914.21

Finding the Fourth Proportional to 82,406,029.68, 113,716,078.43 and 48,916,914.21

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Solution

The fourth proportional to 82,406,029.68, 113,716,078.43 and 48,916,914.21 is: 67,502,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,406,029.68 : 113,716,078.43 = 48,916,914.21 : x
  2. Step 2: Convert to fraction form
    82,406,029.68/113,716,078.43 = 48,916,914.21/x
  3. Step 3: Cross multiply
    82,406,029.68x = 113,716,078.43 × 48,916,914.21
  4. Step 4: Simplify right side
    82,406,029.68x = 5,562,639,652,613,357
  5. Step 5: Solve for x
    x = 5,562,639,652,613,357/82,406,029.68
  6. Step 6: Final answer
    x = 67,502,823.21

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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.