Home / 77,102,400.15-115,653,993.75-25,984,861.83

Finding the Fourth Proportional to 77,102,400.15, 115,653,993.75 and 25,984,861.83

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Solution

The fourth proportional to 77,102,400.15, 115,653,993.75 and 25,984,861.83 is: 38,977,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102,400.15 : 115,653,993.75 = 25,984,861.83 : x
  2. Step 2: Convert to fraction form
    77,102,400.15/115,653,993.75 = 25,984,861.83/x
  3. Step 3: Cross multiply
    77,102,400.15x = 115,653,993.75 × 25,984,861.83
  4. Step 4: Simplify right side
    77,102,400.15x = 3,005,253,047,681,433.50
  5. Step 5: Solve for x
    x = 3,005,253,047,681,433.50/77,102,400.15
  6. Step 6: Final answer
    x = 38,977,425.37

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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.