Home / 120,153,172.14-180,170,135.73-38,261,381.18

Finding the Fourth Proportional to 120,153,172.14, 180,170,135.73 and 38,261,381.18

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Solution

The fourth proportional to 120,153,172.14, 180,170,135.73 and 38,261,381.18 is: 57,373,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,153,172.14 : 180,170,135.73 = 38,261,381.18 : x
  2. Step 2: Convert to fraction form
    120,153,172.14/180,170,135.73 = 38,261,381.18/x
  3. Step 3: Cross multiply
    120,153,172.14x = 180,170,135.73 × 38,261,381.18
  4. Step 4: Simplify right side
    120,153,172.14x = 6,893,558,239,517,016
  5. Step 5: Solve for x
    x = 6,893,558,239,517,016/120,153,172.14
  6. Step 6: Final answer
    x = 57,373,085.68

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