Home / 138,219,577-207,363,466.38-41,174,907.40

Finding the Fourth Proportional to 138,219,577, 207,363,466.38 and 41,174,907.40

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Solution

The fourth proportional to 138,219,577, 207,363,466.38 and 41,174,907.40 is: 61,772,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,219,577 : 207,363,466.38 = 41,174,907.40 : x
  2. Step 2: Convert to fraction form
    138,219,577/207,363,466.38 = 41,174,907.40/x
  3. Step 3: Cross multiply
    138,219,577x = 207,363,466.38 × 41,174,907.40
  4. Step 4: Simplify right side
    138,219,577x = 8,538,171,526,339,513
  5. Step 5: Solve for x
    x = 8,538,171,526,339,513/138,219,577
  6. Step 6: Final answer
    x = 61,772,519.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.