Home / 187,946,007.60-281,835,030.60-72,892,311.60

Finding the Fourth Proportional to 187,946,007.60, 281,835,030.60 and 72,892,311.60

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Solution

The fourth proportional to 187,946,007.60, 281,835,030.60 and 72,892,311.60 is: 109,305,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,946,007.60 : 281,835,030.60 = 72,892,311.60 : x
  2. Step 2: Convert to fraction form
    187,946,007.60/281,835,030.60 = 72,892,311.60/x
  3. Step 3: Cross multiply
    187,946,007.60x = 281,835,030.60 × 72,892,311.60
  4. Step 4: Simplify right side
    187,946,007.60x = 20,543,606,870,290,736
  5. Step 5: Solve for x
    x = 20,543,606,870,290,736/187,946,007.60
  6. Step 6: Final answer
    x = 109,305,896.59

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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.