Home / 160,101,815.10-220,964,198.31-101,369,939.82

Finding the Fourth Proportional to 160,101,815.10, 220,964,198.31 and 101,369,939.82

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Solution

The fourth proportional to 160,101,815.10, 220,964,198.31 and 101,369,939.82 is: 139,905,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,101,815.10 : 220,964,198.31 = 101,369,939.82 : x
  2. Step 2: Convert to fraction form
    160,101,815.10/220,964,198.31 = 101,369,939.82/x
  3. Step 3: Cross multiply
    160,101,815.10x = 220,964,198.31 × 101,369,939.82
  4. Step 4: Simplify right side
    160,101,815.10x = 22,399,127,485,059,244
  5. Step 5: Solve for x
    x = 22,399,127,485,059,244/160,101,815.10
  6. Step 6: Final answer
    x = 139,905,518.69

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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.