Home / 84,968,343.60-117,252,908.28-50,172,240.48

Finding the Fourth Proportional to 84,968,343.60, 117,252,908.28 and 50,172,240.48

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Solution

The fourth proportional to 84,968,343.60, 117,252,908.28 and 50,172,240.48 is: 69,235,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,968,343.60 : 117,252,908.28 = 50,172,240.48 : x
  2. Step 2: Convert to fraction form
    84,968,343.60/117,252,908.28 = 50,172,240.48/x
  3. Step 3: Cross multiply
    84,968,343.60x = 117,252,908.28 × 50,172,240.48
  4. Step 4: Simplify right side
    84,968,343.60x = 5,882,841,111,203,543
  5. Step 5: Solve for x
    x = 5,882,841,111,203,543/84,968,343.60
  6. Step 6: Final answer
    x = 69,235,680.75

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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.