Home / 70,484,015.36-105,588,635.70-39,684,450.62

Finding the Fourth Proportional to 70,484,015.36, 105,588,635.70 and 39,684,450.62

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Solution

The fourth proportional to 70,484,015.36, 105,588,635.70 and 39,684,450.62 is: 59,449,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,484,015.36 : 105,588,635.70 = 39,684,450.62 : x
  2. Step 2: Convert to fraction form
    70,484,015.36/105,588,635.70 = 39,684,450.62/x
  3. Step 3: Cross multiply
    70,484,015.36x = 105,588,635.70 × 39,684,450.62
  4. Step 4: Simplify right side
    70,484,015.36x = 4,190,226,999,469,819
  5. Step 5: Solve for x
    x = 4,190,226,999,469,819/70,484,015.36
  6. Step 6: Final answer
    x = 59,449,323.06

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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.