Home / 200,127,017.30-276,178,103.96-115,307,258.68

Finding the Fourth Proportional to 200,127,017.30, 276,178,103.96 and 115,307,258.68

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Solution

The fourth proportional to 200,127,017.30, 276,178,103.96 and 115,307,258.68 is: 159,125,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,127,017.30 : 276,178,103.96 = 115,307,258.68 : x
  2. Step 2: Convert to fraction form
    200,127,017.30/276,178,103.96 = 115,307,258.68/x
  3. Step 3: Cross multiply
    200,127,017.30x = 276,178,103.96 × 115,307,258.68
  4. Step 4: Simplify right side
    200,127,017.30x = 31,845,340,075,067,652
  5. Step 5: Solve for x
    x = 31,845,340,075,067,652/200,127,017.30
  6. Step 6: Final answer
    x = 159,125,641.83

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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.