Home / 72,609,924.92-100,201,698.42-40,014,876.92

Finding the Fourth Proportional to 72,609,924.92, 100,201,698.42 and 40,014,876.92

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Solution

The fourth proportional to 72,609,924.92, 100,201,698.42 and 40,014,876.92 is: 55,220,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,609,924.92 : 100,201,698.42 = 40,014,876.92 : x
  2. Step 2: Convert to fraction form
    72,609,924.92/100,201,698.42 = 40,014,876.92/x
  3. Step 3: Cross multiply
    72,609,924.92x = 100,201,698.42 × 40,014,876.92
  4. Step 4: Simplify right side
    72,609,924.92x = 4,009,558,628,950,250
  5. Step 5: Solve for x
    x = 4,009,558,628,950,250/72,609,924.92
  6. Step 6: Final answer
    x = 55,220,531.27

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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.