Home / 71,304,097.20-106,956,145.80-66,485,698.80

Finding the Fourth Proportional to 71,304,097.20, 106,956,145.80 and 66,485,698.80

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Solution

The fourth proportional to 71,304,097.20, 106,956,145.80 and 66,485,698.80 is: 99,728,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304,097.20 : 106,956,145.80 = 66,485,698.80 : x
  2. Step 2: Convert to fraction form
    71,304,097.20/106,956,145.80 = 66,485,698.80/x
  3. Step 3: Cross multiply
    71,304,097.20x = 106,956,145.80 × 66,485,698.80
  4. Step 4: Simplify right side
    71,304,097.20x = 7,111,054,094,467,685
  5. Step 5: Solve for x
    x = 7,111,054,094,467,685/71,304,097.20
  6. Step 6: Final answer
    x = 99,728,548.20

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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.