Home / 69,899,981,839.52-104,924,587,009.82-30,125,385,592.16

Finding the Fourth Proportional to 69,899,981,839.52, 104,924,587,009.82 and 30,125,385,592.16

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Solution

The fourth proportional to 69,899,981,839.52, 104,924,587,009.82 and 30,125,385,592.16 is: 45,220,235,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899,981,839.52 : 104,924,587,009.82 = 30,125,385,592.16 : x
  2. Step 2: Convert to fraction form
    69,899,981,839.52/104,924,587,009.82 = 30,125,385,592.16/x
  3. Step 3: Cross multiply
    69,899,981,839.52x = 104,924,587,009.82 × 30,125,385,592.16
  4. Step 4: Simplify right side
    69,899,981,839.52x = 3,160,893,641,768,969,961,472
  5. Step 5: Solve for x
    x = 3,160,893,641,768,969,961,472/69,899,981,839.52
  6. Step 6: Final answer
    x = 45,220,235,522.03

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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.