Home / 74,304,051.20-111,456,076.80-19,716,531.20

Finding the Fourth Proportional to 74,304,051.20, 111,456,076.80 and 19,716,531.20

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Solution

The fourth proportional to 74,304,051.20, 111,456,076.80 and 19,716,531.20 is: 29,574,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304,051.20 : 111,456,076.80 = 19,716,531.20 : x
  2. Step 2: Convert to fraction form
    74,304,051.20/111,456,076.80 = 19,716,531.20/x
  3. Step 3: Cross multiply
    74,304,051.20x = 111,456,076.80 × 19,716,531.20
  4. Step 4: Simplify right side
    74,304,051.20x = 2,197,527,215,656,796
  5. Step 5: Solve for x
    x = 2,197,527,215,656,796/74,304,051.20
  6. Step 6: Final answer
    x = 29,574,796.80

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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.