Home / 129,179,771.20-193,769,656.80-124,140,923.20

Finding the Fourth Proportional to 129,179,771.20, 193,769,656.80 and 124,140,923.20

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Solution

The fourth proportional to 129,179,771.20, 193,769,656.80 and 124,140,923.20 is: 186,211,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,179,771.20 : 193,769,656.80 = 124,140,923.20 : x
  2. Step 2: Convert to fraction form
    129,179,771.20/193,769,656.80 = 124,140,923.20/x
  3. Step 3: Cross multiply
    129,179,771.20x = 193,769,656.80 × 124,140,923.20
  4. Step 4: Simplify right side
    129,179,771.20x = 24,054,744,083,299,160
  5. Step 5: Solve for x
    x = 24,054,744,083,299,160/129,179,771.20
  6. Step 6: Final answer
    x = 186,211,384.80

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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.