Home / 110,700,029.65-166,050,044.48-78,388,416.85

Finding the Fourth Proportional to 110,700,029.65, 166,050,044.48 and 78,388,416.85

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Solution

The fourth proportional to 110,700,029.65, 166,050,044.48 and 78,388,416.85 is: 117,582,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,700,029.65 : 166,050,044.48 = 78,388,416.85 : x
  2. Step 2: Convert to fraction form
    110,700,029.65/166,050,044.48 = 78,388,416.85/x
  3. Step 3: Cross multiply
    110,700,029.65x = 166,050,044.48 × 78,388,416.85
  4. Step 4: Simplify right side
    110,700,029.65x = 13,016,400,104,267,338
  5. Step 5: Solve for x
    x = 13,016,400,104,267,338/110,700,029.65
  6. Step 6: Final answer
    x = 117,582,625.28

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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.