Home / 108,621,702.70-162,719,977.65-65,362,405.30

Finding the Fourth Proportional to 108,621,702.70, 162,719,977.65 and 65,362,405.30

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Solution

The fourth proportional to 108,621,702.70, 162,719,977.65 and 65,362,405.30 is: 97,915,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621,702.70 : 162,719,977.65 = 65,362,405.30 : x
  2. Step 2: Convert to fraction form
    108,621,702.70/162,719,977.65 = 65,362,405.30/x
  3. Step 3: Cross multiply
    108,621,702.70x = 162,719,977.65 × 65,362,405.30
  4. Step 4: Simplify right side
    108,621,702.70x = 10,635,769,129,566,242
  5. Step 5: Solve for x
    x = 10,635,769,129,566,242/108,621,702.70
  6. Step 6: Final answer
    x = 97,915,691.48

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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.