Home / 52,489,968.30-78,734,952.45-45,183,638.70

Finding the Fourth Proportional to 52,489,968.30, 78,734,952.45 and 45,183,638.70

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Solution

The fourth proportional to 52,489,968.30, 78,734,952.45 and 45,183,638.70 is: 67,775,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489,968.30 : 78,734,952.45 = 45,183,638.70 : x
  2. Step 2: Convert to fraction form
    52,489,968.30/78,734,952.45 = 45,183,638.70/x
  3. Step 3: Cross multiply
    52,489,968.30x = 78,734,952.45 × 45,183,638.70
  4. Step 4: Simplify right side
    52,489,968.30x = 3,557,531,644,562,480
  5. Step 5: Solve for x
    x = 3,557,531,644,562,480/52,489,968.30
  6. Step 6: Final answer
    x = 67,775,458.05

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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.