Home / 140,597,211.24-194,021,984.34-78,719,764.14

Finding the Fourth Proportional to 140,597,211.24, 194,021,984.34 and 78,719,764.14

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Solution

The fourth proportional to 140,597,211.24, 194,021,984.34 and 78,719,764.14 is: 108,632,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,597,211.24 : 194,021,984.34 = 78,719,764.14 : x
  2. Step 2: Convert to fraction form
    140,597,211.24/194,021,984.34 = 78,719,764.14/x
  3. Step 3: Cross multiply
    140,597,211.24x = 194,021,984.34 × 78,719,764.14
  4. Step 4: Simplify right side
    140,597,211.24x = 15,273,364,845,219,574
  5. Step 5: Solve for x
    x = 15,273,364,845,219,574/140,597,211.24
  6. Step 6: Final answer
    x = 108,632,061.12

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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.