Home / 50,688,002.20-76,032,003.30-39,938,459.80

Finding the Fourth Proportional to 50,688,002.20, 76,032,003.30 and 39,938,459.80

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Solution

The fourth proportional to 50,688,002.20, 76,032,003.30 and 39,938,459.80 is: 59,907,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,002.20 : 76,032,003.30 = 39,938,459.80 : x
  2. Step 2: Convert to fraction form
    50,688,002.20/76,032,003.30 = 39,938,459.80/x
  3. Step 3: Cross multiply
    50,688,002.20x = 76,032,003.30 × 39,938,459.80
  4. Step 4: Simplify right side
    50,688,002.20x = 3,036,601,107,310,517
  5. Step 5: Solve for x
    x = 3,036,601,107,310,517/50,688,002.20
  6. Step 6: Final answer
    x = 59,907,689.70

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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.