Home / 65,231,969.12-90,020,175.09-35,863,801.28

Finding the Fourth Proportional to 65,231,969.12, 90,020,175.09 and 35,863,801.28

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Solution

The fourth proportional to 65,231,969.12, 90,020,175.09 and 35,863,801.28 is: 49,492,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,231,969.12 : 90,020,175.09 = 35,863,801.28 : x
  2. Step 2: Convert to fraction form
    65,231,969.12/90,020,175.09 = 35,863,801.28/x
  3. Step 3: Cross multiply
    65,231,969.12x = 90,020,175.09 × 35,863,801.28
  4. Step 4: Simplify right side
    65,231,969.12x = 3,228,465,670,618,566.50
  5. Step 5: Solve for x
    x = 3,228,465,670,618,566.50/65,231,969.12
  6. Step 6: Final answer
    x = 49,492,077.49

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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.