Home / 30,350,108.80-45,525,163.20-27,161,462.80

Finding the Fourth Proportional to 30,350,108.80, 45,525,163.20 and 27,161,462.80

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Solution

The fourth proportional to 30,350,108.80, 45,525,163.20 and 27,161,462.80 is: 40,742,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350,108.80 : 45,525,163.20 = 27,161,462.80 : x
  2. Step 2: Convert to fraction form
    30,350,108.80/45,525,163.20 = 27,161,462.80/x
  3. Step 3: Cross multiply
    30,350,108.80x = 45,525,163.20 × 27,161,462.80
  4. Step 4: Simplify right side
    30,350,108.80x = 1,236,530,026,720,729
  5. Step 5: Solve for x
    x = 1,236,530,026,720,729/30,350,108.80
  6. Step 6: Final answer
    x = 40,742,194.20

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Double scale
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1.5x scale

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.