Home / 82,587,665.14-113,973,904.77-45,420,818.92

Finding the Fourth Proportional to 82,587,665.14, 113,973,904.77 and 45,420,818.92

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Solution

The fourth proportional to 82,587,665.14, 113,973,904.77 and 45,420,818.92 is: 62,682,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,587,665.14 : 113,973,904.77 = 45,420,818.92 : x
  2. Step 2: Convert to fraction form
    82,587,665.14/113,973,904.77 = 45,420,818.92/x
  3. Step 3: Cross multiply
    82,587,665.14x = 113,973,904.77 × 45,420,818.92
  4. Step 4: Simplify right side
    82,587,665.14x = 5,176,788,090,163,494
  5. Step 5: Solve for x
    x = 5,176,788,090,163,494/82,587,665.14
  6. Step 6: Final answer
    x = 62,682,339.81

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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.