Home / 80,962,504.61-111,718,654.80-45,678,252.71

Finding the Fourth Proportional to 80,962,504.61, 111,718,654.80 and 45,678,252.71

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Solution

The fourth proportional to 80,962,504.61, 111,718,654.80 and 45,678,252.71 is: 63,030,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,962,504.61 : 111,718,654.80 = 45,678,252.71 : x
  2. Step 2: Convert to fraction form
    80,962,504.61/111,718,654.80 = 45,678,252.71/x
  3. Step 3: Cross multiply
    80,962,504.61x = 111,718,654.80 × 45,678,252.71
  4. Step 4: Simplify right side
    80,962,504.61x = 5,103,112,946,740,369
  5. Step 5: Solve for x
    x = 5,103,112,946,740,369/80,962,504.61
  6. Step 6: Final answer
    x = 63,030,571.64

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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.