Home / 102,615,659.55-153,923,489.19-25,938,687.78

Finding the Fourth Proportional to 102,615,659.55, 153,923,489.19 and 25,938,687.78

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Solution

The fourth proportional to 102,615,659.55, 153,923,489.19 and 25,938,687.78 is: 38,908,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,659.55 : 153,923,489.19 = 25,938,687.78 : x
  2. Step 2: Convert to fraction form
    102,615,659.55/153,923,489.19 = 25,938,687.78/x
  3. Step 3: Cross multiply
    102,615,659.55x = 153,923,489.19 × 25,938,687.78
  4. Step 4: Simplify right side
    102,615,659.55x = 3,992,573,328,107,615
  5. Step 5: Solve for x
    x = 3,992,573,328,107,615/102,615,659.55
  6. Step 6: Final answer
    x = 38,908,031.64

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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.