Home / 140,761,983.60-211,142,975.40-135,022,420.80

Finding the Fourth Proportional to 140,761,983.60, 211,142,975.40 and 135,022,420.80

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Solution

The fourth proportional to 140,761,983.60, 211,142,975.40 and 135,022,420.80 is: 202,533,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,761,983.60 : 211,142,975.40 = 135,022,420.80 : x
  2. Step 2: Convert to fraction form
    140,761,983.60/211,142,975.40 = 135,022,420.80/x
  3. Step 3: Cross multiply
    140,761,983.60x = 211,142,975.40 × 135,022,420.80
  4. Step 4: Simplify right side
    140,761,983.60x = 28,509,035,673,422,852
  5. Step 5: Solve for x
    x = 28,509,035,673,422,852/140,761,983.60
  6. Step 6: Final answer
    x = 202,533,631.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.