Home / 71,935,069.68-99,272,757.96-39,340,021.68

Finding the Fourth Proportional to 71,935,069.68, 99,272,757.96 and 39,340,021.68

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Solution

The fourth proportional to 71,935,069.68, 99,272,757.96 and 39,340,021.68 is: 54,290,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,935,069.68 : 99,272,757.96 = 39,340,021.68 : x
  2. Step 2: Convert to fraction form
    71,935,069.68/99,272,757.96 = 39,340,021.68/x
  3. Step 3: Cross multiply
    71,935,069.68x = 99,272,757.96 × 39,340,021.68
  4. Step 4: Simplify right side
    71,935,069.68x = 3,905,392,450,379,792.50
  5. Step 5: Solve for x
    x = 3,905,392,450,379,792.50/71,935,069.68
  6. Step 6: Final answer
    x = 54,290,521.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.