Home / 77,903,861-107,510,493.66-43,095,951.32

Finding the Fourth Proportional to 77,903,861, 107,510,493.66 and 43,095,951.32

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Solution

The fourth proportional to 77,903,861, 107,510,493.66 and 43,095,951.32 is: 59,474,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,903,861 : 107,510,493.66 = 43,095,951.32 : x
  2. Step 2: Convert to fraction form
    77,903,861/107,510,493.66 = 43,095,951.32/x
  3. Step 3: Cross multiply
    77,903,861x = 107,510,493.66 × 43,095,951.32
  4. Step 4: Simplify right side
    77,903,861x = 4,633,267,001,160,529
  5. Step 5: Solve for x
    x = 4,633,267,001,160,529/77,903,861
  6. Step 6: Final answer
    x = 59,474,163.95

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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.