Home / 200,127,015.29-276,178,101.20-115,307,256.69

Finding the Fourth Proportional to 200,127,015.29, 276,178,101.20 and 115,307,256.69

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Solution

The fourth proportional to 200,127,015.29, 276,178,101.20 and 115,307,256.69 is: 159,125,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,127,015.29 : 276,178,101.20 = 115,307,256.69 : x
  2. Step 2: Convert to fraction form
    200,127,015.29/276,178,101.20 = 115,307,256.69/x
  3. Step 3: Cross multiply
    200,127,015.29x = 276,178,101.20 × 115,307,256.69
  4. Step 4: Simplify right side
    200,127,015.29x = 31,845,339,205,267,772
  5. Step 5: Solve for x
    x = 31,845,339,205,267,772/200,127,015.29
  6. Step 6: Final answer
    x = 159,125,639.08

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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.