Home / 128,070,080.55-177,034,573.76-114,268,229.73

Finding the Fourth Proportional to 128,070,080.55, 177,034,573.76 and 114,268,229.73

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Solution

The fourth proportional to 128,070,080.55, 177,034,573.76 and 114,268,229.73 is: 157,955,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,070,080.55 : 177,034,573.76 = 114,268,229.73 : x
  2. Step 2: Convert to fraction form
    128,070,080.55/177,034,573.76 = 114,268,229.73/x
  3. Step 3: Cross multiply
    128,070,080.55x = 177,034,573.76 × 114,268,229.73
  4. Step 4: Simplify right side
    128,070,080.55x = 20,229,427,343,988,968
  5. Step 5: Solve for x
    x = 20,229,427,343,988,968/128,070,080.55
  6. Step 6: Final answer
    x = 157,955,919.58

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1.5x scale

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.