Home / 67,812,231.59-101,718,347.39-19,943,175.59

Finding the Fourth Proportional to 67,812,231.59, 101,718,347.39 and 19,943,175.59

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Solution

The fourth proportional to 67,812,231.59, 101,718,347.39 and 19,943,175.59 is: 29,914,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,812,231.59 : 101,718,347.39 = 19,943,175.59 : x
  2. Step 2: Convert to fraction form
    67,812,231.59/101,718,347.39 = 19,943,175.59/x
  3. Step 3: Cross multiply
    67,812,231.59x = 101,718,347.39 × 19,943,175.59
  4. Step 4: Simplify right side
    67,812,231.59x = 2,028,586,862,623,672.50
  5. Step 5: Solve for x
    x = 2,028,586,862,623,672.50/67,812,231.59
  6. Step 6: Final answer
    x = 29,914,763.39

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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.