Home / 30,650,310.70-42,263,065.80-25,051,181.92

Finding the Fourth Proportional to 30,650,310.70, 42,263,065.80 and 25,051,181.92

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Solution

The fourth proportional to 30,650,310.70, 42,263,065.80 and 25,051,181.92 is: 34,542,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,650,310.70 : 42,263,065.80 = 25,051,181.92 : x
  2. Step 2: Convert to fraction form
    30,650,310.70/42,263,065.80 = 25,051,181.92/x
  3. Step 3: Cross multiply
    30,650,310.70x = 42,263,065.80 × 25,051,181.92
  4. Step 4: Simplify right side
    30,650,310.70x = 1,058,739,749,852,730.38
  5. Step 5: Solve for x
    x = 1,058,739,749,852,730.38/30,650,310.70
  6. Step 6: Final answer
    x = 34,542,545.43

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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.