Home / 137,603,438.25-189,892,775.63-75,723,776.75

Finding the Fourth Proportional to 137,603,438.25, 189,892,775.63 and 75,723,776.75

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Solution

The fourth proportional to 137,603,438.25, 189,892,775.63 and 75,723,776.75 is: 104,498,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,603,438.25 : 189,892,775.63 = 75,723,776.75 : x
  2. Step 2: Convert to fraction form
    137,603,438.25/189,892,775.63 = 75,723,776.75/x
  3. Step 3: Cross multiply
    137,603,438.25x = 189,892,775.63 × 75,723,776.75
  4. Step 4: Simplify right side
    137,603,438.25x = 14,379,398,147,483,806
  5. Step 5: Solve for x
    x = 14,379,398,147,483,806/137,603,438.25
  6. Step 6: Final answer
    x = 104,498,828.88

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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.