Home / 108,621,706.70-162,719,983.65-65,362,409.30

Finding the Fourth Proportional to 108,621,706.70, 162,719,983.65 and 65,362,409.30

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Solution

The fourth proportional to 108,621,706.70, 162,719,983.65 and 65,362,409.30 is: 97,915,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621,706.70 : 162,719,983.65 = 65,362,409.30 : x
  2. Step 2: Convert to fraction form
    108,621,706.70/162,719,983.65 = 65,362,409.30/x
  3. Step 3: Cross multiply
    108,621,706.70x = 162,719,983.65 × 65,362,409.30
  4. Step 4: Simplify right side
    108,621,706.70x = 10,635,770,172,620,608
  5. Step 5: Solve for x
    x = 10,635,770,172,620,608/108,621,706.70
  6. Step 6: Final answer
    x = 97,915,697.48

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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.