Home / 86,017,096.60-129,025,644.90-38,148,040.60

Finding the Fourth Proportional to 86,017,096.60, 129,025,644.90 and 38,148,040.60

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Solution

The fourth proportional to 86,017,096.60, 129,025,644.90 and 38,148,040.60 is: 57,222,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,017,096.60 : 129,025,644.90 = 38,148,040.60 : x
  2. Step 2: Convert to fraction form
    86,017,096.60/129,025,644.90 = 38,148,040.60/x
  3. Step 3: Cross multiply
    86,017,096.60x = 129,025,644.90 × 38,148,040.60
  4. Step 4: Simplify right side
    86,017,096.60x = 4,922,075,540,086,383
  5. Step 5: Solve for x
    x = 4,922,075,540,086,383/86,017,096.60
  6. Step 6: Final answer
    x = 57,222,060.90

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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.