Home / 76,597,805.64-105,704,821.62-41,790,519.12

Finding the Fourth Proportional to 76,597,805.64, 105,704,821.62 and 41,790,519.12

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Solution

The fourth proportional to 76,597,805.64, 105,704,821.62 and 41,790,519.12 is: 57,670,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,597,805.64 : 105,704,821.62 = 41,790,519.12 : x
  2. Step 2: Convert to fraction form
    76,597,805.64/105,704,821.62 = 41,790,519.12/x
  3. Step 3: Cross multiply
    76,597,805.64x = 105,704,821.62 × 41,790,519.12
  4. Step 4: Simplify right side
    76,597,805.64x = 4,417,459,368,986,799.50
  5. Step 5: Solve for x
    x = 4,417,459,368,986,799.50/76,597,805.64
  6. Step 6: Final answer
    x = 57,670,834.46

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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.