Home / 71,304,096.70-106,956,145.05-66,485,698.30

Finding the Fourth Proportional to 71,304,096.70, 106,956,145.05 and 66,485,698.30

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Solution

The fourth proportional to 71,304,096.70, 106,956,145.05 and 66,485,698.30 is: 99,728,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304,096.70 : 106,956,145.05 = 66,485,698.30 : x
  2. Step 2: Convert to fraction form
    71,304,096.70/106,956,145.05 = 66,485,698.30/x
  3. Step 3: Cross multiply
    71,304,096.70x = 106,956,145.05 × 66,485,698.30
  4. Step 4: Simplify right side
    71,304,096.70x = 7,111,053,991,125,338
  5. Step 5: Solve for x
    x = 7,111,053,991,125,338/71,304,096.70
  6. Step 6: Final answer
    x = 99,728,547.45

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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.