Home / 165,573,912.15-248,397,221.03-48,980,140.47

Finding the Fourth Proportional to 165,573,912.15, 248,397,221.03 and 48,980,140.47

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Solution

The fourth proportional to 165,573,912.15, 248,397,221.03 and 48,980,140.47 is: 73,480,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,573,912.15 : 248,397,221.03 = 48,980,140.47 : x
  2. Step 2: Convert to fraction form
    165,573,912.15/248,397,221.03 = 48,980,140.47/x
  3. Step 3: Cross multiply
    165,573,912.15x = 248,397,221.03 × 48,980,140.47
  4. Step 4: Simplify right side
    165,573,912.15x = 12,166,530,778,162,138
  5. Step 5: Solve for x
    x = 12,166,530,778,162,138/165,573,912.15
  6. Step 6: Final answer
    x = 73,480,964.60

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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.