Home / 136,364,225.13-188,126,921.01-100,686,171.43

Finding the Fourth Proportional to 136,364,225.13, 188,126,921.01 and 100,686,171.43

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Solution

The fourth proportional to 136,364,225.13, 188,126,921.01 and 100,686,171.43 is: 138,905,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,364,225.13 : 188,126,921.01 = 100,686,171.43 : x
  2. Step 2: Convert to fraction form
    136,364,225.13/188,126,921.01 = 100,686,171.43/x
  3. Step 3: Cross multiply
    136,364,225.13x = 188,126,921.01 × 100,686,171.43
  4. Step 4: Simplify right side
    136,364,225.13x = 18,941,779,419,410,928
  5. Step 5: Solve for x
    x = 18,941,779,419,410,928/136,364,225.13
  6. Step 6: Final answer
    x = 138,905,782.67

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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.