Home / 71,218,097.70-106,827,146.55-66,440,523.30

Finding the Fourth Proportional to 71,218,097.70, 106,827,146.55 and 66,440,523.30

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Solution

The fourth proportional to 71,218,097.70, 106,827,146.55 and 66,440,523.30 is: 99,660,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,218,097.70 : 106,827,146.55 = 66,440,523.30 : x
  2. Step 2: Convert to fraction form
    71,218,097.70/106,827,146.55 = 66,440,523.30/x
  3. Step 3: Cross multiply
    71,218,097.70x = 106,827,146.55 × 66,440,523.30
  4. Step 4: Simplify right side
    71,218,097.70x = 7,097,651,519,427,789
  5. Step 5: Solve for x
    x = 7,097,651,519,427,789/71,218,097.70
  6. Step 6: Final answer
    x = 99,660,784.95

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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.