Home / 72,992,657.53-109,475,032.69-21,874,676.37

Finding the Fourth Proportional to 72,992,657.53, 109,475,032.69 and 21,874,676.37

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Solution

The fourth proportional to 72,992,657.53, 109,475,032.69 and 21,874,676.37 is: 32,807,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,992,657.53 : 109,475,032.69 = 21,874,676.37 : x
  2. Step 2: Convert to fraction form
    72,992,657.53/109,475,032.69 = 21,874,676.37/x
  3. Step 3: Cross multiply
    72,992,657.53x = 109,475,032.69 × 21,874,676.37
  4. Step 4: Simplify right side
    72,992,657.53x = 2,394,730,910,688,920.50
  5. Step 5: Solve for x
    x = 2,394,730,910,688,920.50/72,992,657.53
  6. Step 6: Final answer
    x = 32,807,832.89

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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.