Home / 235,264,855.15-324,663,708.37-129,415,997

Finding the Fourth Proportional to 235,264,855.15, 324,663,708.37 and 129,415,997

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Solution

The fourth proportional to 235,264,855.15, 324,663,708.37 and 129,415,997 is: 178,593,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,264,855.15 : 324,663,708.37 = 129,415,997 : x
  2. Step 2: Convert to fraction form
    235,264,855.15/324,663,708.37 = 129,415,997/x
  3. Step 3: Cross multiply
    235,264,855.15x = 324,663,708.37 × 129,415,997
  4. Step 4: Simplify right side
    235,264,855.15x = 42,016,677,508,420,792
  5. Step 5: Solve for x
    x = 42,016,677,508,420,792/235,264,855.15
  6. Step 6: Final answer
    x = 178,593,090.25

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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.