Home / 75,673,212.68-104,429,032.56-40,865,900.07

Finding the Fourth Proportional to 75,673,212.68, 104,429,032.56 and 40,865,900.07

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Solution

The fourth proportional to 75,673,212.68, 104,429,032.56 and 40,865,900.07 is: 56,394,941.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,673,212.68 : 104,429,032.56 = 40,865,900.07 : x
  2. Step 2: Convert to fraction form
    75,673,212.68/104,429,032.56 = 40,865,900.07/x
  3. Step 3: Cross multiply
    75,673,212.68x = 104,429,032.56 × 40,865,900.07
  4. Step 4: Simplify right side
    75,673,212.68x = 4,267,586,409,003,736.50
  5. Step 5: Solve for x
    x = 4,267,586,409,003,736.50/75,673,212.68
  6. Step 6: Final answer
    x = 56,394,941.59

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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.