Home / 55,741,674.90-76,924,729.83-30,624,107.88

Finding the Fourth Proportional to 55,741,674.90, 76,924,729.83 and 30,624,107.88

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Solution

The fourth proportional to 55,741,674.90, 76,924,729.83 and 30,624,107.88 is: 42,261,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741,674.90 : 76,924,729.83 = 30,624,107.88 : x
  2. Step 2: Convert to fraction form
    55,741,674.90/76,924,729.83 = 30,624,107.88/x
  3. Step 3: Cross multiply
    55,741,674.90x = 76,924,729.83 × 30,624,107.88
  4. Step 4: Simplify right side
    55,741,674.90x = 2,355,751,224,953,774
  5. Step 5: Solve for x
    x = 2,355,751,224,953,774/55,741,674.90
  6. Step 6: Final answer
    x = 42,261,938.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.