Home / 74,941,959.38-103,388,235.57-50,170,126.28

Finding the Fourth Proportional to 74,941,959.38, 103,388,235.57 and 50,170,126.28

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Solution

The fourth proportional to 74,941,959.38, 103,388,235.57 and 50,170,126.28 is: 69,213,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941,959.38 : 103,388,235.57 = 50,170,126.28 : x
  2. Step 2: Convert to fraction form
    74,941,959.38/103,388,235.57 = 50,170,126.28/x
  3. Step 3: Cross multiply
    74,941,959.38x = 103,388,235.57 × 50,170,126.28
  4. Step 4: Simplify right side
    74,941,959.38x = 5,187,000,833,896,346
  5. Step 5: Solve for x
    x = 5,187,000,833,896,346/74,941,959.38
  6. Step 6: Final answer
    x = 69,213,573.77

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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.