Home / 128,070,079.55-177,034,572.38-114,268,228.73

Finding the Fourth Proportional to 128,070,079.55, 177,034,572.38 and 114,268,228.73

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Solution

The fourth proportional to 128,070,079.55, 177,034,572.38 and 114,268,228.73 is: 157,955,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,070,079.55 : 177,034,572.38 = 114,268,228.73 : x
  2. Step 2: Convert to fraction form
    128,070,079.55/177,034,572.38 = 114,268,228.73/x
  3. Step 3: Cross multiply
    128,070,079.55x = 177,034,572.38 × 114,268,228.73
  4. Step 4: Simplify right side
    128,070,079.55x = 20,229,427,009,264,240
  5. Step 5: Solve for x
    x = 20,229,427,009,264,240/128,070,079.55
  6. Step 6: Final answer
    x = 157,955,918.20

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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.