Home / 118,732,164.70-177,720,333.45-84,719,940.70

Finding the Fourth Proportional to 118,732,164.70, 177,720,333.45 and 84,719,940.70

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Solution

The fourth proportional to 118,732,164.70, 177,720,333.45 and 84,719,940.70 is: 126,810,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,732,164.70 : 177,720,333.45 = 84,719,940.70 : x
  2. Step 2: Convert to fraction form
    118,732,164.70/177,720,333.45 = 84,719,940.70/x
  3. Step 3: Cross multiply
    118,732,164.70x = 177,720,333.45 × 84,719,940.70
  4. Step 4: Simplify right side
    118,732,164.70x = 15,056,456,111,068,226
  5. Step 5: Solve for x
    x = 15,056,456,111,068,226/118,732,164.70
  6. Step 6: Final answer
    x = 126,810,255.24

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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.