Home / 81,508,629.47-112,533,541.04-50,601,595.55

Finding the Fourth Proportional to 81,508,629.47, 112,533,541.04 and 50,601,595.55

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Solution

The fourth proportional to 81,508,629.47, 112,533,541.04 and 50,601,595.55 is: 69,862,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,508,629.47 : 112,533,541.04 = 50,601,595.55 : x
  2. Step 2: Convert to fraction form
    81,508,629.47/112,533,541.04 = 50,601,595.55/x
  3. Step 3: Cross multiply
    81,508,629.47x = 112,533,541.04 × 50,601,595.55
  4. Step 4: Simplify right side
    81,508,629.47x = 5,694,376,729,079,243
  5. Step 5: Solve for x
    x = 5,694,376,729,079,243/81,508,629.47
  6. Step 6: Final answer
    x = 69,862,255.89

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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.