Home / 126,935,250.16-190,399,376.04-85,340,959.60

Finding the Fourth Proportional to 126,935,250.16, 190,399,376.04 and 85,340,959.60

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Solution

The fourth proportional to 126,935,250.16, 190,399,376.04 and 85,340,959.60 is: 128,009,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935,250.16 : 190,399,376.04 = 85,340,959.60 : x
  2. Step 2: Convert to fraction form
    126,935,250.16/190,399,376.04 = 85,340,959.60/x
  3. Step 3: Cross multiply
    126,935,250.16x = 190,399,376.04 × 85,340,959.60
  4. Step 4: Simplify right side
    126,935,250.16x = 16,248,865,458,494,846
  5. Step 5: Solve for x
    x = 16,248,865,458,494,846/126,935,250.16
  6. Step 6: Final answer
    x = 128,009,086.82

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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.