Home / 52,592,135.40-78,850,878.30-20,231,533.80

Finding the Fourth Proportional to 52,592,135.40, 78,850,878.30 and 20,231,533.80

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Solution

The fourth proportional to 52,592,135.40, 78,850,878.30 and 20,231,533.80 is: 30,332,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,592,135.40 : 78,850,878.30 = 20,231,533.80 : x
  2. Step 2: Convert to fraction form
    52,592,135.40/78,850,878.30 = 20,231,533.80/x
  3. Step 3: Cross multiply
    52,592,135.40x = 78,850,878.30 × 20,231,533.80
  4. Step 4: Simplify right side
    52,592,135.40x = 1,595,274,209,486,136.50
  5. Step 5: Solve for x
    x = 1,595,274,209,486,136.50/52,592,135.40
  6. Step 6: Final answer
    x = 30,332,942.32

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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.