Home / 218,125,711.64-327,164,316.81-78,060,516.41

Finding the Fourth Proportional to 218,125,711.64, 327,164,316.81 and 78,060,516.41

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Solution

The fourth proportional to 218,125,711.64, 327,164,316.81 and 78,060,516.41 is: 117,082,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,125,711.64 : 327,164,316.81 = 78,060,516.41 : x
  2. Step 2: Convert to fraction form
    218,125,711.64/327,164,316.81 = 78,060,516.41/x
  3. Step 3: Cross multiply
    218,125,711.64x = 327,164,316.81 × 78,060,516.41
  4. Step 4: Simplify right side
    218,125,711.64x = 25,538,615,519,477,624
  5. Step 5: Solve for x
    x = 25,538,615,519,477,624/218,125,711.64
  6. Step 6: Final answer
    x = 117,082,096.04

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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.