Home / 118,732,080.20-177,720,206.70-84,719,856.20

Finding the Fourth Proportional to 118,732,080.20, 177,720,206.70 and 84,719,856.20

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Solution

The fourth proportional to 118,732,080.20, 177,720,206.70 and 84,719,856.20 is: 126,810,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,732,080.20 : 177,720,206.70 = 84,719,856.20 : x
  2. Step 2: Convert to fraction form
    118,732,080.20/177,720,206.70 = 84,719,856.20/x
  3. Step 3: Cross multiply
    118,732,080.20x = 177,720,206.70 × 84,719,856.20
  4. Step 4: Simplify right side
    118,732,080.20x = 15,056,430,355,458,276
  5. Step 5: Solve for x
    x = 15,056,430,355,458,276/118,732,080.20
  6. Step 6: Final answer
    x = 126,810,128.57

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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.