Home / 55,331,376.39-76,358,513.19-30,551,496.33

Finding the Fourth Proportional to 55,331,376.39, 76,358,513.19 and 30,551,496.33

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Solution

The fourth proportional to 55,331,376.39, 76,358,513.19 and 30,551,496.33 is: 42,161,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,331,376.39 : 76,358,513.19 = 30,551,496.33 : x
  2. Step 2: Convert to fraction form
    55,331,376.39/76,358,513.19 = 30,551,496.33/x
  3. Step 3: Cross multiply
    55,331,376.39x = 76,358,513.19 × 30,551,496.33
  4. Step 4: Simplify right side
    55,331,376.39x = 2,332,866,835,488,541.50
  5. Step 5: Solve for x
    x = 2,332,866,835,488,541.50/55,331,376.39
  6. Step 6: Final answer
    x = 42,161,735.13

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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.