Home / 40,124,031.20-55,388,112-27,088,945.28

Finding the Fourth Proportional to 40,124,031.20, 55,388,112 and 27,088,945.28

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Solution

The fourth proportional to 40,124,031.20, 55,388,112 and 27,088,945.28 is: 37,394,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124,031.20 : 55,388,112 = 27,088,945.28 : x
  2. Step 2: Convert to fraction form
    40,124,031.20/55,388,112 = 27,088,945.28/x
  3. Step 3: Cross multiply
    40,124,031.20x = 55,388,112 × 27,088,945.28
  4. Step 4: Simplify right side
    40,124,031.20x = 1,500,405,535,130,511.50
  5. Step 5: Solve for x
    x = 1,500,405,535,130,511.50/40,124,031.20
  6. Step 6: Final answer
    x = 37,394,187.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.