Home / 72,593,366.25-100,177,578.57-39,553,888.86

Finding the Fourth Proportional to 72,593,366.25, 100,177,578.57 and 39,553,888.86

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Solution

The fourth proportional to 72,593,366.25, 100,177,578.57 and 39,553,888.86 is: 54,583,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,593,366.25 : 100,177,578.57 = 39,553,888.86 : x
  2. Step 2: Convert to fraction form
    72,593,366.25/100,177,578.57 = 39,553,888.86/x
  3. Step 3: Cross multiply
    72,593,366.25x = 100,177,578.57 × 39,553,888.86
  4. Step 4: Simplify right side
    72,593,366.25x = 3,962,412,809,272,141
  5. Step 5: Solve for x
    x = 3,962,412,809,272,141/72,593,366.25
  6. Step 6: Final answer
    x = 54,583,676.36

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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.