Home / 65,109,968.57-89,851,401.96-35,741,800.91

Finding the Fourth Proportional to 65,109,968.57, 89,851,401.96 and 35,741,800.91

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Solution

The fourth proportional to 65,109,968.57, 89,851,401.96 and 35,741,800.91 is: 49,323,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,109,968.57 : 89,851,401.96 = 35,741,800.91 : x
  2. Step 2: Convert to fraction form
    65,109,968.57/89,851,401.96 = 35,741,800.91/x
  3. Step 3: Cross multiply
    65,109,968.57x = 89,851,401.96 × 35,741,800.91
  4. Step 4: Simplify right side
    65,109,968.57x = 3,211,450,920,338,703
  5. Step 5: Solve for x
    x = 3,211,450,920,338,703/65,109,968.57
  6. Step 6: Final answer
    x = 49,323,490.56

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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.