Home / 52,692,427.80-72,723,156.42-30,361,136.88

Finding the Fourth Proportional to 52,692,427.80, 72,723,156.42 and 30,361,136.88

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Solution

The fourth proportional to 52,692,427.80, 72,723,156.42 and 30,361,136.88 is: 41,902,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,692,427.80 : 72,723,156.42 = 30,361,136.88 : x
  2. Step 2: Convert to fraction form
    52,692,427.80/72,723,156.42 = 30,361,136.88/x
  3. Step 3: Cross multiply
    52,692,427.80x = 72,723,156.42 × 30,361,136.88
  4. Step 4: Simplify right side
    52,692,427.80x = 2,207,957,706,413,270.75
  5. Step 5: Solve for x
    x = 2,207,957,706,413,270.75/52,692,427.80
  6. Step 6: Final answer
    x = 41,902,751.47

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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.