Home / 71,384,371.53-98,510,191.23-40,450,437.51

Finding the Fourth Proportional to 71,384,371.53, 98,510,191.23 and 40,450,437.51

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Solution

The fourth proportional to 71,384,371.53, 98,510,191.23 and 40,450,437.51 is: 55,821,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,384,371.53 : 98,510,191.23 = 40,450,437.51 : x
  2. Step 2: Convert to fraction form
    71,384,371.53/98,510,191.23 = 40,450,437.51/x
  3. Step 3: Cross multiply
    71,384,371.53x = 98,510,191.23 × 40,450,437.51
  4. Step 4: Simplify right side
    71,384,371.53x = 3,984,780,334,447,265
  5. Step 5: Solve for x
    x = 3,984,780,334,447,265/71,384,371.53
  6. Step 6: Final answer
    x = 55,821,466.93

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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.