Home / 76,699,482.96-115,049,530.62-19,191,588.96

Finding the Fourth Proportional to 76,699,482.96, 115,049,530.62 and 19,191,588.96

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Solution

The fourth proportional to 76,699,482.96, 115,049,530.62 and 19,191,588.96 is: 28,787,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,699,482.96 : 115,049,530.62 = 19,191,588.96 : x
  2. Step 2: Convert to fraction form
    76,699,482.96/115,049,530.62 = 19,191,588.96/x
  3. Step 3: Cross multiply
    76,699,482.96x = 115,049,530.62 × 19,191,588.96
  4. Step 4: Simplify right side
    76,699,482.96x = 2,207,983,301,699,974.25
  5. Step 5: Solve for x
    x = 2,207,983,301,699,974.25/76,699,482.96
  6. Step 6: Final answer
    x = 28,787,460.05

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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.