Home / 197,321,275,443.01-272,296,068,633.95-107,098,791,964.70

Finding the Fourth Proportional to 197,321,275,443.01, 272,296,068,633.95 and 107,098,791,964.70

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Solution

The fourth proportional to 197,321,275,443.01, 272,296,068,633.95 and 107,098,791,964.70 is: 147,792,375,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,321,275,443.01 : 272,296,068,633.95 = 107,098,791,964.70 : x
  2. Step 2: Convert to fraction form
    197,321,275,443.01/272,296,068,633.95 = 107,098,791,964.70/x
  3. Step 3: Cross multiply
    197,321,275,443.01x = 272,296,068,633.95 × 107,098,791,964.70
  4. Step 4: Simplify right side
    197,321,275,443.01x = 29,162,580,007,433,084,600,320
  5. Step 5: Solve for x
    x = 29,162,580,007,433,084,600,320/197,321,275,443.01
  6. Step 6: Final answer
    x = 147,792,375,363.27

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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.