Home / 74,304,080.40-111,456,120.60-66,367,894.80

Finding the Fourth Proportional to 74,304,080.40, 111,456,120.60 and 66,367,894.80

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Solution

The fourth proportional to 74,304,080.40, 111,456,120.60 and 66,367,894.80 is: 99,551,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304,080.40 : 111,456,120.60 = 66,367,894.80 : x
  2. Step 2: Convert to fraction form
    74,304,080.40/111,456,120.60 = 66,367,894.80/x
  3. Step 3: Cross multiply
    74,304,080.40x = 111,456,120.60 × 66,367,894.80
  4. Step 4: Simplify right side
    74,304,080.40x = 7,397,108,086,796,912
  5. Step 5: Solve for x
    x = 7,397,108,086,796,912/74,304,080.40
  6. Step 6: Final answer
    x = 99,551,842.20

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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.