Home / 52,599,620.20-78,843,443.10-20,239,018.60

Finding the Fourth Proportional to 52,599,620.20, 78,843,443.10 and 20,239,018.60

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Solution

The fourth proportional to 52,599,620.20, 78,843,443.10 and 20,239,018.60 is: 30,336,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,599,620.20 : 78,843,443.10 = 20,239,018.60 : x
  2. Step 2: Convert to fraction form
    52,599,620.20/78,843,443.10 = 20,239,018.60/x
  3. Step 3: Cross multiply
    52,599,620.20x = 78,843,443.10 × 20,239,018.60
  4. Step 4: Simplify right side
    52,599,620.20x = 1,595,713,911,388,941.75
  5. Step 5: Solve for x
    x = 1,595,713,911,388,941.75/52,599,620.20
  6. Step 6: Final answer
    x = 30,336,985.43

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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.