Home / 85,022,166.60-127,344,293.10-65,790,563.40

Finding the Fourth Proportional to 85,022,166.60, 127,344,293.10 and 65,790,563.40

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Solution

The fourth proportional to 85,022,166.60, 127,344,293.10 and 65,790,563.40 is: 98,539,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,022,166.60 : 127,344,293.10 = 65,790,563.40 : x
  2. Step 2: Convert to fraction form
    85,022,166.60/127,344,293.10 = 65,790,563.40/x
  3. Step 3: Cross multiply
    85,022,166.60x = 127,344,293.10 × 65,790,563.40
  4. Step 4: Simplify right side
    85,022,166.60x = 8,378,052,788,823,732
  5. Step 5: Solve for x
    x = 8,378,052,788,823,732/85,022,166.60
  6. Step 6: Final answer
    x = 98,539,629.41

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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.