Home / 76,715,680.56-115,074,518.12-25,597,699.44

Finding the Fourth Proportional to 76,715,680.56, 115,074,518.12 and 25,597,699.44

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Solution

The fourth proportional to 76,715,680.56, 115,074,518.12 and 25,597,699.44 is: 38,396,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,715,680.56 : 115,074,518.12 = 25,597,699.44 : x
  2. Step 2: Convert to fraction form
    76,715,680.56/115,074,518.12 = 25,597,699.44/x
  3. Step 3: Cross multiply
    76,715,680.56x = 115,074,518.12 × 25,597,699.44
  4. Step 4: Simplify right side
    76,715,680.56x = 2,945,642,928,038,594
  5. Step 5: Solve for x
    x = 2,945,642,928,038,594/76,715,680.56
  6. Step 6: Final answer
    x = 38,396,881.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.