Home / 65,172,118.20-97,821,162.90-39,662,950.20

Finding the Fourth Proportional to 65,172,118.20, 97,821,162.90 and 39,662,950.20

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Solution

The fourth proportional to 65,172,118.20, 97,821,162.90 and 39,662,950.20 is: 59,532,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,172,118.20 : 97,821,162.90 = 39,662,950.20 : x
  2. Step 2: Convert to fraction form
    65,172,118.20/97,821,162.90 = 39,662,950.20/x
  3. Step 3: Cross multiply
    65,172,118.20x = 97,821,162.90 × 39,662,950.20
  4. Step 4: Simplify right side
    65,172,118.20x = 3,879,875,912,608,788
  5. Step 5: Solve for x
    x = 3,879,875,912,608,788/65,172,118.20
  6. Step 6: Final answer
    x = 59,532,757.56

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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.