Home / 66,563,401.20-99,795,335.40-28,193,506.80

Finding the Fourth Proportional to 66,563,401.20, 99,795,335.40 and 28,193,506.80

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Solution

The fourth proportional to 66,563,401.20, 99,795,335.40 and 28,193,506.80 is: 42,269,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,563,401.20 : 99,795,335.40 = 28,193,506.80 : x
  2. Step 2: Convert to fraction form
    66,563,401.20/99,795,335.40 = 28,193,506.80/x
  3. Step 3: Cross multiply
    66,563,401.20x = 99,795,335.40 × 28,193,506.80
  4. Step 4: Simplify right side
    66,563,401.20x = 2,813,580,467,208,181
  5. Step 5: Solve for x
    x = 2,813,580,467,208,181/66,563,401.20
  6. Step 6: Final answer
    x = 42,269,181.21

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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.