Home / 82,986,390.53-114,531,261.15-47,231,524.58

Finding the Fourth Proportional to 82,986,390.53, 114,531,261.15 and 47,231,524.58

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Solution

The fourth proportional to 82,986,390.53, 114,531,261.15 and 47,231,524.58 is: 65,185,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986,390.53 : 114,531,261.15 = 47,231,524.58 : x
  2. Step 2: Convert to fraction form
    82,986,390.53/114,531,261.15 = 47,231,524.58/x
  3. Step 3: Cross multiply
    82,986,390.53x = 114,531,261.15 × 47,231,524.58
  4. Step 4: Simplify right side
    82,986,390.53x = 5,409,486,075,611,968
  5. Step 5: Solve for x
    x = 5,409,486,075,611,968/82,986,390.53
  6. Step 6: Final answer
    x = 65,185,219.42

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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.