Home / 80,352,000.30-120,528,000.45-25,764,480.30

Finding the Fourth Proportional to 80,352,000.30, 120,528,000.45 and 25,764,480.30

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Solution

The fourth proportional to 80,352,000.30, 120,528,000.45 and 25,764,480.30 is: 38,646,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,352,000.30 : 120,528,000.45 = 25,764,480.30 : x
  2. Step 2: Convert to fraction form
    80,352,000.30/120,528,000.45 = 25,764,480.30/x
  3. Step 3: Cross multiply
    80,352,000.30x = 120,528,000.45 × 25,764,480.30
  4. Step 4: Simplify right side
    80,352,000.30x = 3,105,341,293,192,416.50
  5. Step 5: Solve for x
    x = 3,105,341,293,192,416.50/80,352,000.30
  6. Step 6: Final answer
    x = 38,646,720.45

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1.5x scale

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.