Home / 137,108,253.22-189,212,871.18-75,228,575.38

Finding the Fourth Proportional to 137,108,253.22, 189,212,871.18 and 75,228,575.38

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Solution

The fourth proportional to 137,108,253.22, 189,212,871.18 and 75,228,575.38 is: 103,817,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,108,253.22 : 189,212,871.18 = 75,228,575.38 : x
  2. Step 2: Convert to fraction form
    137,108,253.22/189,212,871.18 = 75,228,575.38/x
  3. Step 3: Cross multiply
    137,108,253.22x = 189,212,871.18 × 75,228,575.38
  4. Step 4: Simplify right side
    137,108,253.22x = 14,234,214,742,430,860
  5. Step 5: Solve for x
    x = 14,234,214,742,430,860/137,108,253.22
  6. Step 6: Final answer
    x = 103,817,344.38

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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.