Home / 53,830,003.80-80,745,005.70-39,374,808.60

Finding the Fourth Proportional to 53,830,003.80, 80,745,005.70 and 39,374,808.60

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Solution

The fourth proportional to 53,830,003.80, 80,745,005.70 and 39,374,808.60 is: 59,062,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,830,003.80 : 80,745,005.70 = 39,374,808.60 : x
  2. Step 2: Convert to fraction form
    53,830,003.80/80,745,005.70 = 39,374,808.60/x
  3. Step 3: Cross multiply
    53,830,003.80x = 80,745,005.70 × 39,374,808.60
  4. Step 4: Simplify right side
    53,830,003.80x = 3,179,319,144,843,409.50
  5. Step 5: Solve for x
    x = 3,179,319,144,843,409.50/53,830,003.80
  6. Step 6: Final answer
    x = 59,062,212.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.