Home / 65,465,539.20-98,194,758.72-20,027,337.60

Finding the Fourth Proportional to 65,465,539.20, 98,194,758.72 and 20,027,337.60

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Solution

The fourth proportional to 65,465,539.20, 98,194,758.72 and 20,027,337.60 is: 30,039,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,465,539.20 : 98,194,758.72 = 20,027,337.60 : x
  2. Step 2: Convert to fraction form
    65,465,539.20/98,194,758.72 = 20,027,337.60/x
  3. Step 3: Cross multiply
    65,465,539.20x = 98,194,758.72 × 20,027,337.60
  4. Step 4: Simplify right side
    65,465,539.20x = 1,966,579,583,435,984
  5. Step 5: Solve for x
    x = 1,966,579,583,435,984/65,465,539.20
  6. Step 6: Final answer
    x = 30,039,920.35

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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.