Home / 252,859,080.40-379,288,620.60-165,561,038.80

Finding the Fourth Proportional to 252,859,080.40, 379,288,620.60 and 165,561,038.80

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Solution

The fourth proportional to 252,859,080.40, 379,288,620.60 and 165,561,038.80 is: 248,341,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,859,080.40 : 379,288,620.60 = 165,561,038.80 : x
  2. Step 2: Convert to fraction form
    252,859,080.40/379,288,620.60 = 165,561,038.80/x
  3. Step 3: Cross multiply
    252,859,080.40x = 379,288,620.60 × 165,561,038.80
  4. Step 4: Simplify right side
    252,859,080.40x = 62,795,418,031,555,088
  5. Step 5: Solve for x
    x = 62,795,418,031,555,088/252,859,080.40
  6. Step 6: Final answer
    x = 248,341,558.20

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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.