Home / 82,190,868-113,422,007.88-45,520,651.68

Finding the Fourth Proportional to 82,190,868, 113,422,007.88 and 45,520,651.68

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Solution

The fourth proportional to 82,190,868, 113,422,007.88 and 45,520,651.68 is: 62,817,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,190,868 : 113,422,007.88 = 45,520,651.68 : x
  2. Step 2: Convert to fraction form
    82,190,868/113,422,007.88 = 45,520,651.68/x
  3. Step 3: Cross multiply
    82,190,868x = 113,422,007.88 × 45,520,651.68
  4. Step 4: Simplify right side
    82,190,868x = 5,163,043,713,551,695
  5. Step 5: Solve for x
    x = 5,163,043,713,551,695/82,190,868
  6. Step 6: Final answer
    x = 62,817,729.50

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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.