Home / 92,812,188.80-128,091,954.64-55,662,906.48

Finding the Fourth Proportional to 92,812,188.80, 128,091,954.64 and 55,662,906.48

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Solution

The fourth proportional to 92,812,188.80, 128,091,954.64 and 55,662,906.48 is: 76,821,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,812,188.80 : 128,091,954.64 = 55,662,906.48 : x
  2. Step 2: Convert to fraction form
    92,812,188.80/128,091,954.64 = 55,662,906.48/x
  3. Step 3: Cross multiply
    92,812,188.80x = 128,091,954.64 × 55,662,906.48
  4. Step 4: Simplify right side
    92,812,188.80x = 7,129,970,491,966,722
  5. Step 5: Solve for x
    x = 7,129,970,491,966,722/92,812,188.80
  6. Step 6: Final answer
    x = 76,821,488.47

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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.