Home / 208,679,731.56-313,029,663.30-68,617,087.56

Finding the Fourth Proportional to 208,679,731.56, 313,029,663.30 and 68,617,087.56

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Solution

The fourth proportional to 208,679,731.56, 313,029,663.30 and 68,617,087.56 is: 102,928,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,679,731.56 : 313,029,663.30 = 68,617,087.56 : x
  2. Step 2: Convert to fraction form
    208,679,731.56/313,029,663.30 = 68,617,087.56/x
  3. Step 3: Cross multiply
    208,679,731.56x = 313,029,663.30 × 68,617,087.56
  4. Step 4: Simplify right side
    208,679,731.56x = 21,479,183,815,533,420
  5. Step 5: Solve for x
    x = 21,479,183,815,533,420/208,679,731.56
  6. Step 6: Final answer
    x = 102,928,941.18

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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.