Home / 71,112,693.42-106,668,262.53-17,260,005.42

Finding the Fourth Proportional to 71,112,693.42, 106,668,262.53 and 17,260,005.42

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Solution

The fourth proportional to 71,112,693.42, 106,668,262.53 and 17,260,005.42 is: 25,889,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,112,693.42 : 106,668,262.53 = 17,260,005.42 : x
  2. Step 2: Convert to fraction form
    71,112,693.42/106,668,262.53 = 17,260,005.42/x
  3. Step 3: Cross multiply
    71,112,693.42x = 106,668,262.53 × 17,260,005.42
  4. Step 4: Simplify right side
    71,112,693.42x = 1,841,094,789,409,783
  5. Step 5: Solve for x
    x = 1,841,094,789,409,783/71,112,693.42
  6. Step 6: Final answer
    x = 25,889,819.40

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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.