Home / 53,590,407.92-80,390,406.96-20,800,208

Finding the Fourth Proportional to 53,590,407.92, 80,390,406.96 and 20,800,208

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Solution

The fourth proportional to 53,590,407.92, 80,390,406.96 and 20,800,208 is: 31,202,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590,407.92 : 80,390,406.96 = 20,800,208 : x
  2. Step 2: Convert to fraction form
    53,590,407.92/80,390,406.96 = 20,800,208/x
  3. Step 3: Cross multiply
    53,590,407.92x = 80,390,406.96 × 20,800,208
  4. Step 4: Simplify right side
    53,590,407.92x = 1,672,137,185,972,647.50
  5. Step 5: Solve for x
    x = 1,672,137,185,972,647.50/53,590,407.92
  6. Step 6: Final answer
    x = 31,202,173.13

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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.