Home / 77,102,365.14-115,653,941.45-25,984,826.82

Finding the Fourth Proportional to 77,102,365.14, 115,653,941.45 and 25,984,826.82

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Solution

The fourth proportional to 77,102,365.14, 115,653,941.45 and 25,984,826.82 is: 38,977,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102,365.14 : 115,653,941.45 = 25,984,826.82 : x
  2. Step 2: Convert to fraction form
    77,102,365.14/115,653,941.45 = 25,984,826.82/x
  3. Step 3: Cross multiply
    77,102,365.14x = 115,653,941.45 × 25,984,826.82
  4. Step 4: Simplify right side
    77,102,365.14x = 3,005,247,639,498,745.50
  5. Step 5: Solve for x
    x = 3,005,247,639,498,745.50/77,102,365.14
  6. Step 6: Final answer
    x = 38,977,372.93

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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.