Home / 82,030,847.40-123,046,271.10-68,693,452.20

Finding the Fourth Proportional to 82,030,847.40, 123,046,271.10 and 68,693,452.20

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Solution

The fourth proportional to 82,030,847.40, 123,046,271.10 and 68,693,452.20 is: 103,040,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,030,847.40 : 123,046,271.10 = 68,693,452.20 : x
  2. Step 2: Convert to fraction form
    82,030,847.40/123,046,271.10 = 68,693,452.20/x
  3. Step 3: Cross multiply
    82,030,847.40x = 123,046,271.10 × 68,693,452.20
  4. Step 4: Simplify right side
    82,030,847.40x = 8,452,473,142,196,091
  5. Step 5: Solve for x
    x = 8,452,473,142,196,091/82,030,847.40
  6. Step 6: Final answer
    x = 103,040,178.30

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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.