Home / 187,824,601.64-281,449,574.40-100,398,554.93

Finding the Fourth Proportional to 187,824,601.64, 281,449,574.40 and 100,398,554.93

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Solution

The fourth proportional to 187,824,601.64, 281,449,574.40 and 100,398,554.93 is: 150,444,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,824,601.64 : 281,449,574.40 = 100,398,554.93 : x
  2. Step 2: Convert to fraction form
    187,824,601.64/281,449,574.40 = 100,398,554.93/x
  3. Step 3: Cross multiply
    187,824,601.64x = 281,449,574.40 × 100,398,554.93
  4. Step 4: Simplify right side
    187,824,601.64x = 28,257,130,556,503,640
  5. Step 5: Solve for x
    x = 28,257,130,556,503,640/187,824,601.64
  6. Step 6: Final answer
    x = 150,444,245.90

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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.