Home / 40,542,159.45-55,948,162.37-21,957,300.45

Finding the Fourth Proportional to 40,542,159.45, 55,948,162.37 and 21,957,300.45

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Solution

The fourth proportional to 40,542,159.45, 55,948,162.37 and 21,957,300.45 is: 30,301,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,542,159.45 : 55,948,162.37 = 21,957,300.45 : x
  2. Step 2: Convert to fraction form
    40,542,159.45/55,948,162.37 = 21,957,300.45/x
  3. Step 3: Cross multiply
    40,542,159.45x = 55,948,162.37 × 21,957,300.45
  4. Step 4: Simplify right side
    40,542,159.45x = 1,228,470,610,783,474
  5. Step 5: Solve for x
    x = 1,228,470,610,783,474/40,542,159.45
  6. Step 6: Final answer
    x = 30,301,065.05

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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.