Home / 134,736,517.76-185,936,261.52-72,856,708.88

Finding the Fourth Proportional to 134,736,517.76, 185,936,261.52 and 72,856,708.88

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Solution

The fourth proportional to 134,736,517.76, 185,936,261.52 and 72,856,708.88 is: 100,542,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,736,517.76 : 185,936,261.52 = 72,856,708.88 : x
  2. Step 2: Convert to fraction form
    134,736,517.76/185,936,261.52 = 72,856,708.88/x
  3. Step 3: Cross multiply
    134,736,517.76x = 185,936,261.52 × 72,856,708.88
  4. Step 4: Simplify right side
    134,736,517.76x = 13,546,704,075,798,186
  5. Step 5: Solve for x
    x = 13,546,704,075,798,186/134,736,517.76
  6. Step 6: Final answer
    x = 100,542,186.34

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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.