Home / 68,497,963.94-94,540,922.81-40,636,139.24

Finding the Fourth Proportional to 68,497,963.94, 94,540,922.81 and 40,636,139.24

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Solution

The fourth proportional to 68,497,963.94, 94,540,922.81 and 40,636,139.24 is: 56,086,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,497,963.94 : 94,540,922.81 = 40,636,139.24 : x
  2. Step 2: Convert to fraction form
    68,497,963.94/94,540,922.81 = 40,636,139.24/x
  3. Step 3: Cross multiply
    68,497,963.94x = 94,540,922.81 × 40,636,139.24
  4. Step 4: Simplify right side
    68,497,963.94x = 3,841,778,103,185,252.50
  5. Step 5: Solve for x
    x = 3,841,778,103,185,252.50/68,497,963.94
  6. Step 6: Final answer
    x = 56,086,018.94

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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.