Home / 136,364,226.13-188,126,922.38-100,686,172.43

Finding the Fourth Proportional to 136,364,226.13, 188,126,922.38 and 100,686,172.43

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Solution

The fourth proportional to 136,364,226.13, 188,126,922.38 and 100,686,172.43 is: 138,905,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,364,226.13 : 188,126,922.38 = 100,686,172.43 : x
  2. Step 2: Convert to fraction form
    136,364,226.13/188,126,922.38 = 100,686,172.43/x
  3. Step 3: Cross multiply
    136,364,226.13x = 188,126,922.38 × 100,686,172.43
  4. Step 4: Simplify right side
    136,364,226.13x = 18,941,779,745,477,908
  5. Step 5: Solve for x
    x = 18,941,779,745,477,908/136,364,226.13
  6. Step 6: Final answer
    x = 138,905,784.04

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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.