Home / 76,702,609.56-115,054,344.45-25,584,488.04

Finding the Fourth Proportional to 76,702,609.56, 115,054,344.45 and 25,584,488.04

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Solution

The fourth proportional to 76,702,609.56, 115,054,344.45 and 25,584,488.04 is: 38,376,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,702,609.56 : 115,054,344.45 = 25,584,488.04 : x
  2. Step 2: Convert to fraction form
    76,702,609.56/115,054,344.45 = 25,584,488.04/x
  3. Step 3: Cross multiply
    76,702,609.56x = 115,054,344.45 × 25,584,488.04
  4. Step 4: Simplify right side
    76,702,609.56x = 2,943,606,499,531,065.50
  5. Step 5: Solve for x
    x = 2,943,606,499,531,065.50/76,702,609.56
  6. Step 6: Final answer
    x = 38,376,875.53

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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.