Home / 68,651,729.11-94,740,148.31-40,400,346.26

Finding the Fourth Proportional to 68,651,729.11, 94,740,148.31 and 40,400,346.26

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Solution

The fourth proportional to 68,651,729.11, 94,740,148.31 and 40,400,346.26 is: 55,752,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,651,729.11 : 94,740,148.31 = 40,400,346.26 : x
  2. Step 2: Convert to fraction form
    68,651,729.11/94,740,148.31 = 40,400,346.26/x
  3. Step 3: Cross multiply
    68,651,729.11x = 94,740,148.31 × 40,400,346.26
  4. Step 4: Simplify right side
    68,651,729.11x = 3,827,534,796,176,941
  5. Step 5: Solve for x
    x = 3,827,534,796,176,941/68,651,729.11
  6. Step 6: Final answer
    x = 55,752,926.34

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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.