Home / 108,211,568.40-162,418,829.40-57,130,246.80

Finding the Fourth Proportional to 108,211,568.40, 162,418,829.40 and 57,130,246.80

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Solution

The fourth proportional to 108,211,568.40, 162,418,829.40 and 57,130,246.80 is: 85,748,944.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,211,568.40 : 162,418,829.40 = 57,130,246.80 : x
  2. Step 2: Convert to fraction form
    108,211,568.40/162,418,829.40 = 57,130,246.80/x
  3. Step 3: Cross multiply
    108,211,568.40x = 162,418,829.40 × 57,130,246.80
  4. Step 4: Simplify right side
    108,211,568.40x = 9,279,027,808,589,096
  5. Step 5: Solve for x
    x = 9,279,027,808,589,096/108,211,568.40
  6. Step 6: Final answer
    x = 85,748,944.83

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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.