Home / 72,773,564.82-100,424,882.55-39,733,205.34

Finding the Fourth Proportional to 72,773,564.82, 100,424,882.55 and 39,733,205.34

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Solution

The fourth proportional to 72,773,564.82, 100,424,882.55 and 39,733,205.34 is: 54,830,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,773,564.82 : 100,424,882.55 = 39,733,205.34 : x
  2. Step 2: Convert to fraction form
    72,773,564.82/100,424,882.55 = 39,733,205.34/x
  3. Step 3: Cross multiply
    72,773,564.82x = 100,424,882.55 × 39,733,205.34
  4. Step 4: Simplify right side
    72,773,564.82x = 3,990,202,479,604,533
  5. Step 5: Solve for x
    x = 3,990,202,479,604,533/72,773,564.82
  6. Step 6: Final answer
    x = 54,830,383.66

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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.