Home / 541,810,939.70-812,716,409.55-132,867,090.20

Finding the Fourth Proportional to 541,810,939.70, 812,716,409.55 and 132,867,090.20

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Solution

The fourth proportional to 541,810,939.70, 812,716,409.55 and 132,867,090.20 is: 199,300,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,810,939.70 : 812,716,409.55 = 132,867,090.20 : x
  2. Step 2: Convert to fraction form
    541,810,939.70/812,716,409.55 = 132,867,090.20/x
  3. Step 3: Cross multiply
    541,810,939.70x = 812,716,409.55 × 132,867,090.20
  4. Step 4: Simplify right side
    541,810,939.70x = 107,983,264,494,699,984
  5. Step 5: Solve for x
    x = 107,983,264,494,699,984/541,810,939.70
  6. Step 6: Final answer
    x = 199,300,635.30

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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.