Home / 42,673,816.20-63,946,065.23-28,245,193.05

Finding the Fourth Proportional to 42,673,816.20, 63,946,065.23 and 28,245,193.05

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Solution

The fourth proportional to 42,673,816.20, 63,946,065.23 and 28,245,193.05 is: 42,324,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,673,816.20 : 63,946,065.23 = 28,245,193.05 : x
  2. Step 2: Convert to fraction form
    42,673,816.20/63,946,065.23 = 28,245,193.05/x
  3. Step 3: Cross multiply
    42,673,816.20x = 63,946,065.23 × 28,245,193.05
  4. Step 4: Simplify right side
    42,673,816.20x = 1,806,168,957,209,242.50
  5. Step 5: Solve for x
    x = 1,806,168,957,209,242.50/42,673,816.20
  6. Step 6: Final answer
    x = 42,324,992.65

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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.