Home / 77,253,400.80-115,880,101.20-76,059,007.20

Finding the Fourth Proportional to 77,253,400.80, 115,880,101.20 and 76,059,007.20

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Solution

The fourth proportional to 77,253,400.80, 115,880,101.20 and 76,059,007.20 is: 114,088,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253,400.80 : 115,880,101.20 = 76,059,007.20 : x
  2. Step 2: Convert to fraction form
    77,253,400.80/115,880,101.20 = 76,059,007.20/x
  3. Step 3: Cross multiply
    77,253,400.80x = 115,880,101.20 × 76,059,007.20
  4. Step 4: Simplify right side
    77,253,400.80x = 8,813,725,451,507,529
  5. Step 5: Solve for x
    x = 8,813,725,451,507,529/77,253,400.80
  6. Step 6: Final answer
    x = 114,088,510.80

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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.