Home / 129,039,003.40-193,558,505.10-106,364,187.40

Finding the Fourth Proportional to 129,039,003.40, 193,558,505.10 and 106,364,187.40

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Solution

The fourth proportional to 129,039,003.40, 193,558,505.10 and 106,364,187.40 is: 159,546,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,039,003.40 : 193,558,505.10 = 106,364,187.40 : x
  2. Step 2: Convert to fraction form
    129,039,003.40/193,558,505.10 = 106,364,187.40/x
  3. Step 3: Cross multiply
    129,039,003.40x = 193,558,505.10 × 106,364,187.40
  4. Step 4: Simplify right side
    129,039,003.40x = 20,587,693,109,320,256
  5. Step 5: Solve for x
    x = 20,587,693,109,320,256/129,039,003.40
  6. Step 6: Final answer
    x = 159,546,281.10

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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.