Home / 82,169,493.68-113,393,727.96-47,361,949.04

Finding the Fourth Proportional to 82,169,493.68, 113,393,727.96 and 47,361,949.04

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Solution

The fourth proportional to 82,169,493.68, 113,393,727.96 and 47,361,949.04 is: 65,359,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,169,493.68 : 113,393,727.96 = 47,361,949.04 : x
  2. Step 2: Convert to fraction form
    82,169,493.68/113,393,727.96 = 47,361,949.04/x
  3. Step 3: Cross multiply
    82,169,493.68x = 113,393,727.96 × 47,361,949.04
  4. Step 4: Simplify right side
    82,169,493.68x = 5,370,547,965,097,143
  5. Step 5: Solve for x
    x = 5,370,547,965,097,143/82,169,493.68
  6. Step 6: Final answer
    x = 65,359,389.78

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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.