Home / 38,173,239.96-57,285,054.20-20,234,941.08

Finding the Fourth Proportional to 38,173,239.96, 57,285,054.20 and 20,234,941.08

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Solution

The fourth proportional to 38,173,239.96, 57,285,054.20 and 20,234,941.08 is: 30,365,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,173,239.96 : 57,285,054.20 = 20,234,941.08 : x
  2. Step 2: Convert to fraction form
    38,173,239.96/57,285,054.20 = 20,234,941.08/x
  3. Step 3: Cross multiply
    38,173,239.96x = 57,285,054.20 × 20,234,941.08
  4. Step 4: Simplify right side
    38,173,239.96x = 1,159,159,696,501,606.50
  5. Step 5: Solve for x
    x = 1,159,159,696,501,606.50/38,173,239.96
  6. Step 6: Final answer
    x = 30,365,766.64

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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.