Home / 82,579,675.47-113,967,214.30-45,416,503.88

Finding the Fourth Proportional to 82,579,675.47, 113,967,214.30 and 45,416,503.88

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Solution

The fourth proportional to 82,579,675.47, 113,967,214.30 and 45,416,503.88 is: 62,678,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,579,675.47 : 113,967,214.30 = 45,416,503.88 : x
  2. Step 2: Convert to fraction form
    82,579,675.47/113,967,214.30 = 45,416,503.88/x
  3. Step 3: Cross multiply
    82,579,675.47x = 113,967,214.30 × 45,416,503.88
  4. Step 4: Simplify right side
    82,579,675.47x = 5,175,992,430,107,812
  5. Step 5: Solve for x
    x = 5,175,992,430,107,812/82,579,675.47
  6. Step 6: Final answer
    x = 62,678,769.33

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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.