Home / 65,131,449.69-89,881,400.99-35,762,782.42

Finding the Fourth Proportional to 65,131,449.69, 89,881,400.99 and 35,762,782.42

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Solution

The fourth proportional to 65,131,449.69, 89,881,400.99 and 35,762,782.42 is: 49,352,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,131,449.69 : 89,881,400.99 = 35,762,782.42 : x
  2. Step 2: Convert to fraction form
    65,131,449.69/89,881,400.99 = 35,762,782.42/x
  3. Step 3: Cross multiply
    65,131,449.69x = 89,881,400.99 × 35,762,782.42
  4. Step 4: Simplify right side
    65,131,449.69x = 3,214,408,987,210,142.50
  5. Step 5: Solve for x
    x = 3,214,408,987,210,142.50/65,131,449.69
  6. Step 6: Final answer
    x = 49,352,639.97

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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.