Home / 113,579,433.20-170,369,149.80-106,860,969.20

Finding the Fourth Proportional to 113,579,433.20, 170,369,149.80 and 106,860,969.20

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Solution

The fourth proportional to 113,579,433.20, 170,369,149.80 and 106,860,969.20 is: 160,291,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,579,433.20 : 170,369,149.80 = 106,860,969.20 : x
  2. Step 2: Convert to fraction form
    113,579,433.20/170,369,149.80 = 106,860,969.20/x
  3. Step 3: Cross multiply
    113,579,433.20x = 170,369,149.80 × 106,860,969.20
  4. Step 4: Simplify right side
    113,579,433.20x = 18,205,812,469,407,988
  5. Step 5: Solve for x
    x = 18,205,812,469,407,988/113,579,433.20
  6. Step 6: Final answer
    x = 160,291,453.80

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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.