Home / 76,614,999.36-114,855,210.72-31,214,978.88

Finding the Fourth Proportional to 76,614,999.36, 114,855,210.72 and 31,214,978.88

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Solution

The fourth proportional to 76,614,999.36, 114,855,210.72 and 31,214,978.88 is: 46,795,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,614,999.36 : 114,855,210.72 = 31,214,978.88 : x
  2. Step 2: Convert to fraction form
    76,614,999.36/114,855,210.72 = 31,214,978.88/x
  3. Step 3: Cross multiply
    76,614,999.36x = 114,855,210.72 × 31,214,978.88
  4. Step 4: Simplify right side
    76,614,999.36x = 3,585,202,976,882,749.50
  5. Step 5: Solve for x
    x = 3,585,202,976,882,749.50/76,614,999.36
  6. Step 6: Final answer
    x = 46,795,053.28

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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.