Home / 67,112,006.68-100,668,126.79-21,057,410.07

Finding the Fourth Proportional to 67,112,006.68, 100,668,126.79 and 21,057,410.07

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Solution

The fourth proportional to 67,112,006.68, 100,668,126.79 and 21,057,410.07 is: 31,586,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,112,006.68 : 100,668,126.79 = 21,057,410.07 : x
  2. Step 2: Convert to fraction form
    67,112,006.68/100,668,126.79 = 21,057,410.07/x
  3. Step 3: Cross multiply
    67,112,006.68x = 100,668,126.79 × 21,057,410.07
  4. Step 4: Simplify right side
    67,112,006.68x = 2,119,810,026,795,783
  5. Step 5: Solve for x
    x = 2,119,810,026,795,783/67,112,006.68
  6. Step 6: Final answer
    x = 31,586,151.74

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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.