Home / 51,379,626.92-70,835,292.79-40,818,059.60

Finding the Fourth Proportional to 51,379,626.92, 70,835,292.79 and 40,818,059.60

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Solution

The fourth proportional to 51,379,626.92, 70,835,292.79 and 40,818,059.60 is: 56,274,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,379,626.92 : 70,835,292.79 = 40,818,059.60 : x
  2. Step 2: Convert to fraction form
    51,379,626.92/70,835,292.79 = 40,818,059.60/x
  3. Step 3: Cross multiply
    51,379,626.92x = 70,835,292.79 × 40,818,059.60
  4. Step 4: Simplify right side
    51,379,626.92x = 2,891,359,202,429,448.50
  5. Step 5: Solve for x
    x = 2,891,359,202,429,448.50/51,379,626.92
  6. Step 6: Final answer
    x = 56,274,429.69

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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.