Home / 66,455,236.80-99,611,996.40-25,498,850.40

Finding the Fourth Proportional to 66,455,236.80, 99,611,996.40 and 25,498,850.40

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Solution

The fourth proportional to 66,455,236.80, 99,611,996.40 and 25,498,850.40 is: 38,221,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,455,236.80 : 99,611,996.40 = 25,498,850.40 : x
  2. Step 2: Convert to fraction form
    66,455,236.80/99,611,996.40 = 25,498,850.40/x
  3. Step 3: Cross multiply
    66,455,236.80x = 99,611,996.40 × 25,498,850.40
  4. Step 4: Simplify right side
    66,455,236.80x = 2,539,991,394,248,938.50
  5. Step 5: Solve for x
    x = 2,539,991,394,248,938.50/66,455,236.80
  6. Step 6: Final answer
    x = 38,221,087.10

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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.