Home / 200,127,013.54-276,178,098.78-115,307,254.94

Finding the Fourth Proportional to 200,127,013.54, 276,178,098.78 and 115,307,254.94

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Solution

The fourth proportional to 200,127,013.54, 276,178,098.78 and 115,307,254.94 is: 159,125,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,127,013.54 : 276,178,098.78 = 115,307,254.94 : x
  2. Step 2: Convert to fraction form
    200,127,013.54/276,178,098.78 = 115,307,254.94/x
  3. Step 3: Cross multiply
    200,127,013.54x = 276,178,098.78 × 115,307,254.94
  4. Step 4: Simplify right side
    200,127,013.54x = 31,845,338,443,489,068
  5. Step 5: Solve for x
    x = 31,845,338,443,489,068/200,127,013.54
  6. Step 6: Final answer
    x = 159,125,636.67

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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.