Home / 55,014,107.20-75,921,288.12-30,235,172.36

Finding the Fourth Proportional to 55,014,107.20, 75,921,288.12 and 30,235,172.36

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Solution

The fourth proportional to 55,014,107.20, 75,921,288.12 and 30,235,172.36 is: 41,725,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,014,107.20 : 75,921,288.12 = 30,235,172.36 : x
  2. Step 2: Convert to fraction form
    55,014,107.20/75,921,288.12 = 30,235,172.36/x
  3. Step 3: Cross multiply
    55,014,107.20x = 75,921,288.12 × 30,235,172.36
  4. Step 4: Simplify right side
    55,014,107.20x = 2,295,493,232,101,420.50
  5. Step 5: Solve for x
    x = 2,295,493,232,101,420.50/55,014,107.20
  6. Step 6: Final answer
    x = 41,725,538.21

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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.