Home / 129,225,161.62-178,331,277.48-70,489,106.74

Finding the Fourth Proportional to 129,225,161.62, 178,331,277.48 and 70,489,106.74

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Solution

The fourth proportional to 129,225,161.62, 178,331,277.48 and 70,489,106.74 is: 97,275,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,225,161.62 : 178,331,277.48 = 70,489,106.74 : x
  2. Step 2: Convert to fraction form
    129,225,161.62/178,331,277.48 = 70,489,106.74/x
  3. Step 3: Cross multiply
    129,225,161.62x = 178,331,277.48 × 70,489,106.74
  4. Step 4: Simplify right side
    129,225,161.62x = 12,570,412,452,476,620
  5. Step 5: Solve for x
    x = 12,570,412,452,476,620/129,225,161.62
  6. Step 6: Final answer
    x = 97,275,269.73

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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.