Home / 127,491,343.20-191,237,014.80-101,982,175.20

Finding the Fourth Proportional to 127,491,343.20, 191,237,014.80 and 101,982,175.20

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Solution

The fourth proportional to 127,491,343.20, 191,237,014.80 and 101,982,175.20 is: 152,973,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,491,343.20 : 191,237,014.80 = 101,982,175.20 : x
  2. Step 2: Convert to fraction form
    127,491,343.20/191,237,014.80 = 101,982,175.20/x
  3. Step 3: Cross multiply
    127,491,343.20x = 191,237,014.80 × 101,982,175.20
  4. Step 4: Simplify right side
    127,491,343.20x = 19,502,766,748,058,596
  5. Step 5: Solve for x
    x = 19,502,766,748,058,596/127,491,343.20
  6. Step 6: Final answer
    x = 152,973,262.80

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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.