Home / 30,370,180.52-45,566,688.29-18,081,234.81

Finding the Fourth Proportional to 30,370,180.52, 45,566,688.29 and 18,081,234.81

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Solution

The fourth proportional to 30,370,180.52, 45,566,688.29 and 18,081,234.81 is: 27,128,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370,180.52 : 45,566,688.29 = 18,081,234.81 : x
  2. Step 2: Convert to fraction form
    30,370,180.52/45,566,688.29 = 18,081,234.81/x
  3. Step 3: Cross multiply
    30,370,180.52x = 45,566,688.29 × 18,081,234.81
  4. Step 4: Simplify right side
    30,370,180.52x = 823,901,990,485,567.25
  5. Step 5: Solve for x
    x = 823,901,990,485,567.25/30,370,180.52
  6. Step 6: Final answer
    x = 27,128,649.76

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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.