Home / 134,567,420.44-185,703,011.60-72,687,759.64

Finding the Fourth Proportional to 134,567,420.44, 185,703,011.60 and 72,687,759.64

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Solution

The fourth proportional to 134,567,420.44, 185,703,011.60 and 72,687,759.64 is: 100,309,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,567,420.44 : 185,703,011.60 = 72,687,759.64 : x
  2. Step 2: Convert to fraction form
    134,567,420.44/185,703,011.60 = 72,687,759.64/x
  3. Step 3: Cross multiply
    134,567,420.44x = 185,703,011.60 × 72,687,759.64
  4. Step 4: Simplify right side
    134,567,420.44x = 13,498,335,871,604,932
  5. Step 5: Solve for x
    x = 13,498,335,871,604,932/134,567,420.44
  6. Step 6: Final answer
    x = 100,309,092.85

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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.