Home / 120,794,775.69-166,715,723.10-71,240,596.11

Finding the Fourth Proportional to 120,794,775.69, 166,715,723.10 and 71,240,596.11

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Solution

The fourth proportional to 120,794,775.69, 166,715,723.10 and 71,240,596.11 is: 98,323,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,794,775.69 : 166,715,723.10 = 71,240,596.11 : x
  2. Step 2: Convert to fraction form
    120,794,775.69/166,715,723.10 = 71,240,596.11/x
  3. Step 3: Cross multiply
    120,794,775.69x = 166,715,723.10 × 71,240,596.11
  4. Step 4: Simplify right side
    120,794,775.69x = 11,876,927,494,553,696
  5. Step 5: Solve for x
    x = 11,876,927,494,553,696/120,794,775.69
  6. Step 6: Final answer
    x = 98,323,188.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.