Home / 53,992,829.21-74,512,218.76-30,472,187.54

Finding the Fourth Proportional to 53,992,829.21, 74,512,218.76 and 30,472,187.54

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Solution

The fourth proportional to 53,992,829.21, 74,512,218.76 and 30,472,187.54 is: 42,052,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992,829.21 : 74,512,218.76 = 30,472,187.54 : x
  2. Step 2: Convert to fraction form
    53,992,829.21/74,512,218.76 = 30,472,187.54/x
  3. Step 3: Cross multiply
    53,992,829.21x = 74,512,218.76 × 30,472,187.54
  4. Step 4: Simplify right side
    53,992,829.21x = 2,270,550,303,627,484.50
  5. Step 5: Solve for x
    x = 2,270,550,303,627,484.50/53,992,829.21
  6. Step 6: Final answer
    x = 42,052,812.14

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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.