Home / 165,080,905.60-247,621,358.40-162,529,988.80

Finding the Fourth Proportional to 165,080,905.60, 247,621,358.40 and 162,529,988.80

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Solution

The fourth proportional to 165,080,905.60, 247,621,358.40 and 162,529,988.80 is: 243,794,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,080,905.60 : 247,621,358.40 = 162,529,988.80 : x
  2. Step 2: Convert to fraction form
    165,080,905.60/247,621,358.40 = 162,529,988.80/x
  3. Step 3: Cross multiply
    165,080,905.60x = 247,621,358.40 × 162,529,988.80
  4. Step 4: Simplify right side
    165,080,905.60x = 40,245,896,607,392,792
  5. Step 5: Solve for x
    x = 40,245,896,607,392,792/165,080,905.60
  6. Step 6: Final answer
    x = 243,794,983.20

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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.