Home / 230,789,410,670.97-318,489,416,915.03-127,913,172,075.88

Finding the Fourth Proportional to 230,789,410,670.97, 318,489,416,915.03 and 127,913,172,075.88

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Solution

The fourth proportional to 230,789,410,670.97, 318,489,416,915.03 and 127,913,172,075.88 is: 176,520,194,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,789,410,670.97 : 318,489,416,915.03 = 127,913,172,075.88 : x
  2. Step 2: Convert to fraction form
    230,789,410,670.97/318,489,416,915.03 = 127,913,172,075.88/x
  3. Step 3: Cross multiply
    230,789,410,670.97x = 318,489,416,915.03 × 127,913,172,075.88
  4. Step 4: Simplify right side
    230,789,410,670.97x = 40,738,991,590,198,925,590,528
  5. Step 5: Solve for x
    x = 40,738,991,590,198,925,590,528/230,789,410,670.97
  6. Step 6: Final answer
    x = 176,520,194,196.78

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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.