Home / 55,741,673.90-76,924,728.45-30,624,106.88

Finding the Fourth Proportional to 55,741,673.90, 76,924,728.45 and 30,624,106.88

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Solution

The fourth proportional to 55,741,673.90, 76,924,728.45 and 30,624,106.88 is: 42,261,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741,673.90 : 76,924,728.45 = 30,624,106.88 : x
  2. Step 2: Convert to fraction form
    55,741,673.90/76,924,728.45 = 30,624,106.88/x
  3. Step 3: Cross multiply
    55,741,673.90x = 76,924,728.45 × 30,624,106.88
  4. Step 4: Simplify right side
    55,741,673.90x = 2,355,751,105,383,153
  5. Step 5: Solve for x
    x = 2,355,751,105,383,153/55,741,673.90
  6. Step 6: Final answer
    x = 42,261,936.91

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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.