Home / 113,761,428.20-170,642,142.30-110,572,782.20

Finding the Fourth Proportional to 113,761,428.20, 170,642,142.30 and 110,572,782.20

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Solution

The fourth proportional to 113,761,428.20, 170,642,142.30 and 110,572,782.20 is: 165,859,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,761,428.20 : 170,642,142.30 = 110,572,782.20 : x
  2. Step 2: Convert to fraction form
    113,761,428.20/170,642,142.30 = 110,572,782.20/x
  3. Step 3: Cross multiply
    113,761,428.20x = 170,642,142.30 × 110,572,782.20
  4. Step 4: Simplify right side
    113,761,428.20x = 18,868,376,434,679,308
  5. Step 5: Solve for x
    x = 18,868,376,434,679,308/113,761,428.20
  6. Step 6: Final answer
    x = 165,859,173.30

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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.