Home / 129,568,788.66-177,853,157.50-114,555,580.40

Finding the Fourth Proportional to 129,568,788.66, 177,853,157.50 and 114,555,580.40

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Solution

The fourth proportional to 129,568,788.66, 177,853,157.50 and 114,555,580.40 is: 157,245,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,568,788.66 : 177,853,157.50 = 114,555,580.40 : x
  2. Step 2: Convert to fraction form
    129,568,788.66/177,853,157.50 = 114,555,580.40/x
  3. Step 3: Cross multiply
    129,568,788.66x = 177,853,157.50 × 114,555,580.40
  4. Step 4: Simplify right side
    129,568,788.66x = 20,374,071,683,385,116
  5. Step 5: Solve for x
    x = 20,374,071,683,385,116/129,568,788.66
  6. Step 6: Final answer
    x = 157,245,212.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.