Home / 77,102,364.39-115,653,940.32-25,984,826.07

Finding the Fourth Proportional to 77,102,364.39, 115,653,940.32 and 25,984,826.07

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Solution

The fourth proportional to 77,102,364.39, 115,653,940.32 and 25,984,826.07 is: 38,977,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102,364.39 : 115,653,940.32 = 25,984,826.07 : x
  2. Step 2: Convert to fraction form
    77,102,364.39/115,653,940.32 = 25,984,826.07/x
  3. Step 3: Cross multiply
    77,102,364.39x = 115,653,940.32 × 25,984,826.07
  4. Step 4: Simplify right side
    77,102,364.39x = 3,005,247,523,525,360
  5. Step 5: Solve for x
    x = 3,005,247,523,525,360/77,102,364.39
  6. Step 6: Final answer
    x = 38,977,371.80

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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.