Home / 129,149,933.48-193,724,914.82-52,473,013.64

Finding the Fourth Proportional to 129,149,933.48, 193,724,914.82 and 52,473,013.64

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Solution

The fourth proportional to 129,149,933.48, 193,724,914.82 and 52,473,013.64 is: 78,709,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,149,933.48 : 193,724,914.82 = 52,473,013.64 : x
  2. Step 2: Convert to fraction form
    129,149,933.48/193,724,914.82 = 52,473,013.64/x
  3. Step 3: Cross multiply
    129,149,933.48x = 193,724,914.82 × 52,473,013.64
  4. Step 4: Simplify right side
    129,149,933.48x = 10,165,330,097,757,698
  5. Step 5: Solve for x
    x = 10,165,330,097,757,698/129,149,933.48
  6. Step 6: Final answer
    x = 78,709,526.39

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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.